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Radiant|Lab Grown|IGI

1.57ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG665445078

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

Certificate IGI LG665445078

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)
26 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 LG665445078 or 665445078. Listed at 26 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 angle44.1°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665445078
Dimensions8.55 × 5.71 × 3.73 mm
L/W Ratio1.50
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
8.55 mm5.71 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665445078
Side View
Table 62.0%Crown 44.1°Girdle: MediumPavilion 33.3°Culet: NoneDepth 65.3%

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$2,173 HKD|High: HK$26,597 HKD|Avg: HK$8,953 HKD|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 11
Retailer 12
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Retailer 17
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Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
November 1, 2026
Retailer 3HK$2,267 HKD
Retailer 24HK$2,628 HKD
Retailer 5HK$2,699 HKD
Retailer 2HK$2,809 HKD
Retailer 7HK$4,001 HKD
Retailer 16HK$4,117 HKD
Retailer 8HK$4,378 HKD
Retailer 14HK$4,872 HKD
Retailer 12HK$5,042 HKD
Retailer 23HK$5,329 HKD
Retailer 1HK$5,533 HKD
Retailer 9HK$6,630 HKD
Retailer 15HK$6,992 HKD
Retailer 22HK$7,226 HKD
Retailer 6HK$8,630 HKD
Retailer 4HK$9,972 HKD
Retailer 11HK$10,804 HKD
Retailer 17HK$11,241 HKD
Retailer 10HK$11,558 HKD
Retailer 18HK$12,001 HKD
Retailer 21HK$12,495 HKD
Retailer 19HK$13,183 HKD
Retailer 13HK$20,085 HKD
Retailer 25HK$20,163 HKD
Retailer 20HK$23,066 HKD

34 data points across 25 retailers

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

A
Cheapest Retailer
-
HK$2,267 HKD
$289 USD
A
Retailer 2
-
HK$2,628 HKD
$335 USD
View
A
Retailer 3
-
HK$2,699 HKD
$344 USD
View
Final sale: no returns
A
Retailer 4
-
HK$2,809 HKD
$358 USD
View
A
Retailer 5
-
HK$4,001 HKD
$510 USD
View
A
Retailer 6
-
HK$4,117 HKD
View
A
Retailer 7
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HK$4,378 HKD
$558 USD
View
A
Retailer 8
-
HK$4,872 HKD
$621 USD
View
A
Retailer 9
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HK$5,042 HKD
€612 EUR
View
A
Retailer 10
-
HK$5,329 HKD
ZAR 10,972 ZAR
View
A
Retailer 11
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HK$5,533 HKD
£555 GBP
View
A
Retailer 12
-
HK$6,630 HKD
$845 USD
View
A
Retailer 13
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HK$6,992 HKD
$891 USD
View
A
Retailer 14
-
HK$7,226 HKD
A$1,417 AUD
View
B+
Retailer 15
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HK$8,630 HKD
$1,100 USD
View
B+
Retailer 16
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HK$9,972 HKD
$1,271 USD
View
B+
Retailer 17
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HK$10,804 HKD
$1,377 USD
View
B+
Retailer 18
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HK$11,241 HKD
$1,433 USD
View
B+
Retailer 19
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HK$11,558 HKD
$1,473 USD
View
B+
Retailer 20
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HK$12,001 HKD
SGD 2,067 SGD
View
B+
Retailer 21
-
HK$12,495 HKD
£1,254 GBP
View
B+
Retailer 22
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HK$13,183 HKD
A$2,585 AUD
View
B
Retailer 23
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HK$20,085 HKD
$2,560 USD
View
B
Retailer 24
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HK$20,163 HKD
$2,570 USD
View
B
Retailer 25
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HK$23,066 HKD
$2,940 USD
View
Most Expensive
B
Diamond Quarter
1.57IFDLG784962N · Oct 31
HK$25,106 HKD
£2,520 GBP
View
25 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