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Radiant|Lab Grown|IGI

6.25ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG841688135

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

Certificate IGI LG841688135

Diamond specifications and retailer prices

From $5,203 NZD
£2,309 GBP
As of October 30, 2026
Save $7,593 NZD (59%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $12,795 NZD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 6.25ct lab-grown radiant diamond

This 6.25ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841688135 or 841688135. Listed at 7 retailers as of October 30, 2026, with prices from $5,203 to $12,795, a $7,593 spread on the same certified stone. Taylor and Hart lists it at $12,795. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.25
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841688135
Dimensions13.79 × 8.77 × 5.68 mm
L/W Ratio1.57
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.79 mm8.77 mm6.25 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841688135
Side View
Table 68.0%Crown 45.5°Girdle: Slightly ThickPavilion 31.9°Culet: NoneDepth 64.8%

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: Oct 30
Current: $7,931 NZD|Low: $5,199 NZD|High: $13,130 NZD|Avg: $8,423 NZD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
October 31, 2026
Retailer 2$5,203 NZD
Retailer 6$5,273 NZD
Retailer 3$7,099 NZD
Retailer 1$7,931 NZD
Retailer 5$9,450 NZD
Retailer 4$10,534 NZD
Taylor and Hart$12,795 NZD

22 data points across 7 retailers

7 retailers$5,203 NZD to $12,795 NZD

A
Cheapest Retailer
-
$5,203 NZD
£2,309 GBP
A
Retailer 2
-
$5,273 NZD
$2,972 USD
View
B+
Retailer 3
-
$7,099 NZD
ZAR 64,640 ZAR
View
B+
Retailer 4
-
$7,931 NZD
$4,470 USD
View
B+
Retailer 5
-
$9,450 NZD
$5,326 USD
View
B+
Retailer 6
-
$10,534 NZD
£4,675 GBP
View
Most Expensive
B
Taylor and Hart
ACEYZJW · Oct 30
$12,795 NZD
$7,211 USD
View
6 more retailers have this diamond
Prices start from $5,203 NZDSave up to $7,593 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
6.25ct Radiant
$5,203 NZD