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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 $953 NZD
As of November 4, 2026
Save $3,316 NZD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,269 NZD 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 $953 to $4,269, a $3,316 spread on the same certified stone. Taylor and Hart lists it at $4,269. 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: $2,462 NZD|Low: $679 NZD|High: $4,269 NZD|Avg: $2,504 NZD
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 5, 2026
Retailer 9$953 NZD
Retailer 11$1,040 NZD
Retailer 7$1,304 NZD
Retailer 8$1,643 NZD
Retailer 4$1,818 NZD
Retailer 1$2,462 NZD
Retailer 6$2,835 NZD
Retailer 3$3,065 NZD
Retailer 2$3,324 NZD
Retailer 10$3,518 NZD
Retailer 5$3,873 NZD
Taylor and Hart$4,269 NZD

25 data points across 12 retailers

14 retailers$953 NZD to $4,269 NZD

Retailer 1
-
$850 NZD
Price last confirmed 28 days ago
Retailer 2
-
$953 NZD
View
Price last confirmed 39 days ago
A
Retailer 3
-
$953 NZD
View
Final sale: no returns
A
Retailer 4
-
$1,040 NZD
View
Retailer 5
-
$1,054 NZD
View
Price last confirmed 33 days ago
B+
Retailer 6
-
$1,304 NZD
View
B+
Retailer 7
-
$1,643 NZD
View
B+
Retailer 8
-
$1,818 NZD
View
B
Retailer 9
-
$2,462 NZD
View
B
Retailer 10
-
$2,835 NZD
View
Retailer 11
-
$3,390 NZD
View
Price last confirmed 36 days ago
B
Retailer 12
-
$3,518 NZD
View
B
Retailer 13
-
$3,873 NZD
View
Most Expensive
B
Taylor and Hart
4KKNJS9 · Nov 4
$4,269 NZD
$2,406 USD
View
13 more retailers have this diamond
Prices start from $953 NZDSave up to $3,316 NZD

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
$953 NZD