Radiant|Lab Grown|IGI

1.57ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG662441346

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG662441346

Diamond specifications and retailer prices

From HK$2,267 HKD
$289 USD
As of October 30, 2026
Save HK$22,838 HKD (91%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: HK$25,106 HKD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.57ct lab-grown radiant diamond

This 1.57ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG662441346 or 662441346. Listed at 32 retailers as of October 30, 2026, with prices from HK$2,267 to HK$25,106, a HK$22,838 spread on the same certified stone. Diamond Quarter lists it at HK$25,106. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.5°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662441346
Dimensions8.06 × 5.80 × 3.85 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.06 mm5.80 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662441346
Side View
Table 66.0%Crown 46.5°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$5,533 HKD|Low: HK$2,267 HKD|High: HK$26,597 HKD|Avg: HK$9,237 HKD|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 4HK$2,267 HKD
Retailer 2HK$2,699 HKD
Retailer 20HK$4,001 HKD
Retailer 13HK$4,117 HKD
Retailer 5HK$4,378 HKD
Retailer 10HK$4,872 HKD
Retailer 12HK$5,042 HKD
Retailer 19HK$5,329 HKD
Retailer 1HK$5,533 HKD
Retailer 6HK$6,630 HKD
Retailer 11HK$6,992 HKD
Retailer 18HK$7,226 HKD
Retailer 3HK$8,630 HKD
Retailer 8HK$10,804 HKD
Retailer 14HK$11,241 HKD
Retailer 7HK$11,558 HKD
Retailer 15HK$12,001 HKD
Retailer 21HK$12,445 HKD
Retailer 16HK$13,183 HKD
Retailer 9HK$20,085 HKD
Retailer 22HK$20,163 HKD
Retailer 17HK$23,066 HKD

39 data points across 22 retailers

32 retailersHK$2,267 HKD to HK$25,106 HKD

A
Cheapest Retailer
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HK$2,267 HKD
$289 USD
Retailer 2
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HK$2,267 HKD
$289 USD
View
Price last confirmed 24 days ago
Retailer 3
-
HK$2,362 HKD
$301 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
HK$2,699 HKD
$344 USD
View
Final sale: no returns
Retailer 5
-
HK$2,738 HKD
$349 USD
View
Price last confirmed 35 days ago
Retailer 6
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HK$2,809 HKD
$358 USD
View
Price last confirmed 29 days ago
Retailer 7
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HK$2,887 HKD
$368 USD
View
Price last confirmed 33 days ago
A
Retailer 8
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HK$4,001 HKD
$510 USD
View
A
Retailer 9
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HK$4,117 HKD
View
A
Retailer 10
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HK$4,378 HKD
$558 USD
View
A
Retailer 11
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HK$4,872 HKD
$621 USD
View
A
Retailer 12
-
HK$5,042 HKD
€612 EUR
View
A
Retailer 13
-
HK$5,329 HKD
ZAR 10,972 ZAR
View
A
Retailer 14
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HK$5,533 HKD
£555 GBP
View
A
Retailer 15
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HK$6,630 HKD
$845 USD
View
A
Retailer 16
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HK$6,992 HKD
$891 USD
View
A
Retailer 17
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HK$7,226 HKD
A$1,417 AUD
View
B+
Retailer 18
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HK$8,630 HKD
$1,100 USD
View
Retailer 19
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HK$9,972 HKD
$1,271 USD
View
Price last confirmed 22 days ago
B+
Retailer 20
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HK$9,972 HKD
$1,271 USD
View
Retailer 21
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HK$10,388 HKD
$1,324 USD
View
Price last confirmed 31 days ago
B+
Retailer 22
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HK$10,804 HKD
$1,377 USD
View
B+
Retailer 23
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HK$11,241 HKD
$1,433 USD
View
B+
Retailer 24
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HK$11,558 HKD
$1,473 USD
View
B+
Retailer 25
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HK$12,001 HKD
SGD 2,067 SGD
View
B+
Retailer 26
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HK$12,445 HKD
£1,249 GBP
View
B+
Retailer 27
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HK$13,183 HKD
A$2,585 AUD
View
B
Retailer 28
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HK$19,457 HKD
$2,480 USD
View
B
Retailer 29
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HK$20,085 HKD
$2,560 USD
View
B
Retailer 30
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HK$20,163 HKD
$2,570 USD
View
B
Retailer 31
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HK$23,066 HKD
$2,940 USD
View
Most Expensive
B
Diamond Quarter
1.57IFDLG46378CN · Oct 31
HK$25,106 HKD
£2,520 GBP
View
31 more retailers have this diamond
Prices start from HK$2,267 HKDSave up to HK$22,838 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.57ct Radiant
HK$2,267 HKD