Radiant|Lab Grown|IGI

6.64ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG841650893

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

Certificate IGI LG841650893

Diamond specifications and retailer prices

From $5,035 NZD
$2,838 USD
As of November 1, 2026
Save $13,689 NZD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $18,725 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 6.64ct lab-grown radiant diamond

This 6.64ct 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 LG841650893 or 841650893. Listed at 18 retailers as of October 31, 2026, with prices from $5,035 to $18,725, a $13,689 spread on the same certified stone. Taylor and Hart lists it at $18,725. 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

6.64
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841650893
Dimensions14.12 × 8.80 × 5.86 mm
L/W Ratio1.60
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.12 mm8.80 mm6.64 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841650893
Side View
Table 66.0%Crown 43.7°Girdle: Slightly ThickPavilion 33.3°Culet: NoneDepth 66.6%

Caratlytics Score

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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: $5,035 NZD|Low: $5,035 NZD|High: $19,151 NZD|Avg: $9,883 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Taylor and Hart
November 1, 2026
Retailer 1$5,035 NZD
Retailer 2$5,185 NZD
Retailer 9$5,493 NZD
Retailer 13$5,558 NZD
Retailer 7$5,660 NZD
Retailer 14$7,191 NZD
Retailer 11$7,674 NZD
Retailer 17$7,878 NZD
Retailer 16$8,119 NZD
Retailer 6$9,299 NZD
Retailer 12$9,947 NZD
Retailer 4$10,194 NZD
Retailer 3$10,389 NZD
Retailer 15$11,709 NZD
Retailer 5$13,643 NZD
Retailer 10$14,374 NZD
Retailer 8$17,997 NZD
Taylor and Hart$18,725 NZD

21 data points across 18 retailers

18 retailers$5,035 NZD to $18,725 NZD

A
Cheapest Retailer
-
$5,035 NZD
$2,838 USD
A
Retailer 2
-
$5,185 NZD
$2,922 USD
View
Final sale: no returns
Retailer 3
-
$5,493 NZD
$3,096 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$5,558 NZD
£2,466 GBP
View
A
Retailer 5
-
$5,660 NZD
$3,190 USD
View
B+
Retailer 6
-
$7,191 NZD
£3,191 GBP
View
B+
Retailer 7
-
$7,674 NZD
$4,325 USD
View
B+
Retailer 8
-
$7,878 NZD
$4,440 USD
View
B+
Retailer 9
-
$8,119 NZD
€4,358 EUR
View
B+
Retailer 10
-
$9,299 NZD
$5,241 USD
View
B+
Retailer 11
-
$9,947 NZD
A$8,625 AUD
View
B+
Retailer 12
-
$10,194 NZD
£4,524 GBP
View
B+
Retailer 13
-
$10,389 NZD
ZAR 94,596 ZAR
View
B
Retailer 14
-
$11,709 NZD
A$10,153 AUD
View
B
Retailer 15
-
$13,643 NZD
$7,689 USD
View
B
Retailer 16
-
$14,374 NZD
£6,379 GBP
View
B
Retailer 17
-
$17,997 NZD
SGD 13,707 SGD
View
Most Expensive
B
Taylor and Hart
J440QTM · Oct 31
$18,725 NZD
$10,553 USD
View
17 more retailers have this diamond
Prices start from $5,035 NZDSave up to $13,689 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
6.64ct Radiant
$5,035 NZD