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Radiant|Lab Grown|IGI

1.51ct H VVS2 Radiant Lab Grown Diamond

EX • H/VVS2 • IGI LG687559392

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

Certificate IGI LG687559392

Diamond specifications and retailer prices

From $537 USD
As of November 1, 2026
Save $1,869 USD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,406 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG687559392 or 687559392. Listed at 14 retailers as of October 31, 2026, with prices from $537 to $2,406, a $1,869 spread on the same certified stone. Taylor and Hart lists it at $2,406. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle43.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687559392
Dimensions8.46 × 5.40 × 3.41 mm
L/W Ratio1.57
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.46 mm5.40 mm1.51 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687559392
Side View
Table 61.0%Crown 38.1°Girdle: STK-THKPavilion 43.6°Culet: LargeDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
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: Nov 1
Current: $1,025 USD|Low: $383 USD|High: $2,406 USD|Avg: $1,401 USD|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 2, 2026
Retailer 9$537 USD
Retailer 11$586 USD
Retailer 7$735 USD
Retailer 8$926 USD
Retailer 1$1,025 USD
Retailer 5$1,384 USD
Retailer 6$1,598 USD
Retailer 3$1,728 USD
Retailer 2$1,875 USD
Retailer 10$1,983 USD
Retailer 4$2,183 USD
Taylor and Hart$2,406 USD

26 data points across 12 retailers

14 retailers$537 USD to $2,406 USD

Retailer 1
-
$479 USD
Price last confirmed 25 days ago
Retailer 2
-
$537 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
$537 USD
View
Final sale: no returns
A
Retailer 4
-
$586 USD
View
Retailer 5
-
$594 USD
View
Price last confirmed 30 days ago
B+
Retailer 6
-
$735 USD
View
B+
Retailer 7
-
$926 USD
View
B+
Retailer 8
-
$1,025 USD
ZAR 16,559 ZAR
View
B
Retailer 9
-
$1,384 USD
A$2,129 AUD
View
B
Retailer 10
-
$1,598 USD
View
Retailer 11
-
$1,911 USD
View
Price last confirmed 32 days ago
B
Retailer 12
-
$1,983 USD
SGD 2,680 SGD
View
B
Retailer 13
-
$2,183 USD
£1,719 GBP
View
Most Expensive
B
Taylor and Hart
4KKNJS9 · Oct 31
$2,406 USD
View
13 more retailers have this diamond
Prices start from $537 USDSave up to $1,869 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.

A
1.51ct Radiant
$537 USD