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Radiant|Lab Grown|IGI

1.57ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG768623613

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

Certificate IGI LG768623613

Diamond specifications and retailer prices

From HK$2,605 HKD
$332 USD
As of October 30, 2026
Save HK$17,676 HKD (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$20,281 HKD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG768623613 or 768623613. Listed at 25 retailers as of October 28, 2026, with prices from HK$2,605 to HK$20,281, a HK$17,676 spread on the same certified stone. Rare Carat lists it at HK$20,281. 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 angle38.5°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768623613
Dimensions8.58 × 5.77 × 3.75 mm
L/W Ratio1.49
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
8.58 mm5.77 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768623613
Side View
Table 62.0%Crown 38.5°Girdle: MediumPavilion 33.5°Culet: NoneDepth 65.0%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: HK$20,281 HKD|Low: HK$2,605 HKD|High: HK$20,438 HKD|Avg: HK$7,851 HKD|-0.8%
Rare Carat
Retailer 2
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Retailer 4
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Retailer 11
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Retailer 22
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Retailer 24
November 1, 2026
Retailer 6HK$2,605 HKD
Retailer 9HK$2,911 HKD
Retailer 23HK$3,021 HKD
Retailer 3HK$3,232 HKD
Retailer 10HK$3,232 HKD
Retailer 13HK$3,416 HKD
Retailer 4HK$3,515 HKD
Retailer 22HK$4,433 HKD
Retailer 19HK$5,223 HKD
Retailer 11HK$5,225 HKD
Retailer 8HK$5,264 HKD
Retailer 21HK$5,552 HKD
Retailer 18HK$5,785 HKD
Retailer 20HK$7,532 HKD
Retailer 5HK$8,568 HKD
Retailer 24HK$9,478 HKD
Retailer 15HK$10,311 HKD
Retailer 7HK$10,388 HKD
Retailer 17HK$10,730 HKD
Retailer 16HK$12,208 HKD
Retailer 12HK$12,555 HKD
Retailer 14HK$12,672 HKD
Retailer 2HK$12,943 HKD
Rare CaratHK$20,281 HKD

35 data points across 24 retailers

25 retailersHK$2,605 HKD to HK$20,281 HKD

A+
Cheapest Retailer
-
HK$2,605 HKD
$332 USD
A
Retailer 2
-
HK$2,911 HKD
$371 USD
View
Final sale: no returns
A
Retailer 3
-
HK$3,021 HKD
$385 USD
View
A
Retailer 4
-
HK$3,232 HKD
$412 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
HK$3,232 HKD
$412 USD
View
A
Retailer 6
-
HK$3,416 HKD
£343 GBP
View
A
Retailer 7
-
HK$3,515 HKD
View
A
Retailer 8
-
HK$4,433 HKD
$565 USD
View
A
Retailer 9
-
HK$5,223 HKD
€634 EUR
View
A
Retailer 10
-
HK$5,225 HKD
$666 USD
View
A
Retailer 11
-
HK$5,264 HKD
$671 USD
View
A
Retailer 12
-
HK$5,552 HKD
ZAR 11,432 ZAR
View
A
Retailer 13
-
HK$5,785 HKD
£581 GBP
View
A
Retailer 14
-
HK$7,532 HKD
A$1,477 AUD
View
B+
Retailer 15
-
HK$8,568 HKD
$1,092 USD
View
B+
Retailer 16
-
HK$9,478 HKD
$1,208 USD
View
B+
Retailer 17
-
HK$10,311 HKD
SGD 1,776 SGD
View
B+
Retailer 18
-
HK$10,388 HKD
$1,324 USD
View
B+
Retailer 19
-
HK$10,730 HKD
$1,368 USD
View
B+
Retailer 20
-
HK$11,345 HKD
$1,446 USD
View
B+
Retailer 21
-
HK$12,208 HKD
$1,556 USD
View
B+
Retailer 22
-
HK$12,555 HKD
£1,260 GBP
View
B+
Retailer 23
-
HK$12,672 HKD
$1,615 USD
View
B+
Retailer 24
-
HK$12,943 HKD
£1,299 GBP
View
Most Expensive
B
Rare Carat
A5-163A · Oct 28
HK$20,281 HKD
$2,585 USD
View
24 more retailers have this diamond
Prices start from HK$2,605 HKDSave up to HK$17,676 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$2,605 HKD