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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 $765 AUD
As of November 4, 2026
Save $2,665 AUD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,430 AUD at Taylor and Hart · As of November 4, 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 November 4, 2026, with prices from $765 to $3,430, a $2,665 spread on the same certified stone. Taylor and Hart lists it at $3,430. 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
Colour
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 4
Current: $1,461 AUD|Low: $546 AUD|High: $3,430 AUD|Avg: $2,012 AUD|+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$765 AUD
Retailer 11$835 AUD
Retailer 7$1,048 AUD
Retailer 8$1,320 AUD
Retailer 1$1,461 AUD
Retailer 5$1,971 AUD
Retailer 6$2,278 AUD
Retailer 3$2,463 AUD
Retailer 2$2,671 AUD
Retailer 10$2,827 AUD
Retailer 4$3,112 AUD
Taylor and Hart$3,430 AUD

24 data points across 12 retailers

14 retailers$765 AUD to $3,430 AUD

Retailer 1
-
$683 AUD
Price last confirmed 27 days ago
Retailer 2
-
$765 AUD
View
Price last confirmed 38 days ago
A
Retailer 3
-
$765 AUD
View
Final sale: no returns
A
Retailer 4
-
$835 AUD
View
Retailer 5
-
$847 AUD
View
Price last confirmed 32 days ago
B+
Retailer 6
-
$1,048 AUD
View
B+
Retailer 7
-
$1,320 AUD
View
B+
Retailer 8
-
$1,461 AUD
View
B
Retailer 9
-
$1,971 AUD
View
B
Retailer 10
-
$2,278 AUD
View
Retailer 11
-
$2,724 AUD
View
Price last confirmed 35 days ago
B
Retailer 12
-
$2,827 AUD
View
B
Retailer 13
-
$3,112 AUD
View
Most Expensive
B
Taylor and Hart
4KKNJS9 · Nov 4
$3,430 AUD
$2,406 USD
View
13 more retailers have this diamond
Prices start from $765 AUDSave up to $2,665 AUD

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
$765 AUD