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Radiant|Lab Grown|IGI

6.61ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG592319644

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

Certificate IGI LG592319644

Diamond specifications and retailer prices

From $1,661 NZD
$936 USD
As of October 31, 2026
Save $8,506 NZD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,167 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.61ct lab-grown radiant diamond

This 6.61ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG592319644 or 592319644. Listed at 18 retailers as of October 31, 2026, with prices from $1,661 to $10,167, a $8,506 spread on the same certified stone. Brilliant Earth lists it at $10,167. 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

6.61
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG592319644
Dimensions13.38 × 9.15 × 6.26 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.38 mm9.15 mm6.61 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG592319644
Side View
Table 65.0%Crown 45.8°Girdle: MediumPavilion 35.7°Culet: NoneDepth 68.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $10,167 NZD|Low: $1,639 NZD|High: $10,167 NZD|Avg: $4,063 NZD
Brilliant Earth
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
November 1, 2026
Retailer 4$1,661 NZD
Retailer 9$1,700 NZD
Retailer 14$2,032 NZD
Retailer 10$2,622 NZD
Retailer 17$2,628 NZD
Retailer 6$2,771 NZD
Retailer 11$2,832 NZD
Retailer 12$3,189 NZD
Retailer 13$3,330 NZD
Retailer 15$3,957 NZD
Retailer 16$4,679 NZD
Retailer 3$5,385 NZD
Retailer 7$5,435 NZD
Retailer 5$5,962 NZD
Retailer 8$6,108 NZD
Retailer 2$6,451 NZD
Brilliant Earth$10,167 NZD

39 data points across 17 retailers

18 retailers$1,661 NZD to $10,167 NZD

Retailer 1
-
$1,595 NZD
$899 USD
Price last confirmed 35 days ago
A
Retailer 2
-
$1,661 NZD
$936 USD
View
Final sale: no returns
Retailer 3
-
$1,677 NZD
$945 USD
View
Price last confirmed 35 days ago
A
Retailer 4
-
$2,032 NZD
$1,145 USD
View
A
Retailer 5
-
$2,622 NZD
£1,164 GBP
View
A
Retailer 6
-
$2,628 NZD
$1,481 USD
View
B+
Retailer 7
-
$2,771 NZD
$1,562 USD
View
A
Retailer 8
-
$2,832 NZD
€1,520 EUR
View
A
Retailer 9
-
$3,189 NZD
A$2,765 AUD
View
A
Retailer 10
-
$3,330 NZD
ZAR 30,318 ZAR
View
A
Retailer 11
-
$3,957 NZD
$2,230 USD
View
B+
Retailer 12
-
$4,679 NZD
$2,637 USD
View
B+
Retailer 13
-
$5,385 NZD
$3,035 USD
View
Retailer 14
-
$5,435 NZD
£2,412 GBP
View
Price last confirmed 21 days ago
B+
Retailer 15
-
$5,962 NZD
$3,360 USD
View
Retailer 16
-
$6,108 NZD
$3,442 USD
View
Price last confirmed 21 days ago
B+
Retailer 17
-
$6,451 NZD
£2,863 GBP
View
Most Expensive
B
Brilliant Earth
7810756A · Oct 31
$10,167 NZD
$5,730 USD
View
17 more retailers have this diamond
Prices start from $1,661 NZDSave up to $8,506 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
6.61ct Radiant
$1,661 NZD