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Radiant|Lab Grown|IGI

1.71ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG655457550

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

Certificate IGI LG655457550

Diamond specifications and retailer prices

From HK$5,540 HKD
£556 GBP
As of October 29, 2026
3 retailers carry this diamond
Most expensive: HK$9,451 HKD at Rare Carat · As of August 31, 2026
View at Rare Carat

About this 1.71ct lab-grown radiant diamond

This 1.71ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG655457550 or 655457550. Listed at 3 retailers as of October 29, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655457550
Dimensions8.39 × 5.88 × 4.01 mm
L/W Ratio1.43
Culet sizePointed
Top View
8.39 mm5.88 mm1.71 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655457550
Side View
Table 65.0%Crown 39.9°Girdle: Slightly ThickPavilion 35.4°Culet: NoneDepth 68.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: HK$9,451 HKD|Low: HK$1,287 HKD|High: HK$20,163 HKD|Avg: HK$7,056 HKD|-11.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
August 27, 2026
Retailer 9HK$1,287 HKD
Retailer 5HK$2,691 HKD
Retailer 4HK$2,926 HKD
Retailer 8HK$3,452 HKD
Retailer 10HK$3,915 HKD
Retailer 7HK$5,733 HKD
Retailer 11HK$5,861 HKD
Rare CaratHK$9,451 HKD
Retailer 2HK$13,687 HKD
Retailer 3HK$15,456 HKD
Retailer 6HK$20,163 HKD

53 data points across 11 retailers

3 retailers

B+
Cheapest Retailer
-
HK$5,540 HKD
£556 GBP
Retailer 2
-
HK$5,733 HKD
A$1,124 AUD
View
Price last confirmed 72 days ago
Most Expensive
Rare Carat
818182 · Aug 31
HK$9,451 HKD
$1,205 USD
View
Price last confirmed 60 days ago
2 more retailers have this diamond
Prices start from HK$5,540 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.

B+
1.71ct Radiant
HK$5,540 HKD