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 $706 USD
£556 GBP
As of October 28, 2026
3 retailers carry this diamond
Most expensive: $1,205 USD 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 28, 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
Color
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

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,205 USD|Low: $164 USD|High: $2,570 USD|Avg: $899 USD|-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 9$164 USD
Retailer 5$343 USD
Retailer 4$373 USD
Retailer 8$440 USD
Retailer 10$499 USD
Retailer 7$731 USD
Retailer 11$747 USD
Rare Carat$1,205 USD
Retailer 2$1,745 USD
Retailer 3$1,970 USD
Retailer 6$2,570 USD

53 data points across 11 retailers

3 retailers

B+
Cheapest Retailer
-
$706 USD
£556 GBP
B+
Retailer 2
-
$731 USD
A$1,124 AUD
View
Price last confirmed 71 days ago
Most Expensive
B
Rare Carat
818182 · Aug 31
$1,205 USD
View
Price last confirmed 59 days ago
2 more retailers have this diamond
Prices start from $706 USD

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
$706 USD