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Radiant|Lab Grown|IGI

12.07ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG660444435

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

Certificate IGI LG660444435

Diamond specifications and retailer prices

From $3,928 NZD
$2,210 USD
As of November 2, 2026
Save $14,645 NZD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $18,573 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.07ct lab-grown radiant diamond

This 12.07ct 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 LG660444435 or 660444435. Listed at 17 retailers as of October 31, 2026, with prices from $3,928 to $18,573, a $14,645 spread on the same certified stone. Brilliant Earth lists it at $18,573. 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

12.07
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660444435
Dimensions16.54 × 11.11 × 7.32 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.54 mm11.11 mm12.07 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660444435
Side View
Table 63.0%Crown 43.7°Girdle: MediumPavilion 31.7°Culet: NoneDepth 65.9%

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 2
Current: $18,573 NZD|Low: $3,777 NZD|High: $18,591 NZD|Avg: $8,171 NZD|-0.1%
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
November 2, 2026
Retailer 7$3,777 NZD
Retailer 10$3,928 NZD
Retailer 14$4,601 NZD
Retailer 2$5,141 NZD
Retailer 13$5,186 NZD
Retailer 11$5,364 NZD
Retailer 12$5,613 NZD
Retailer 9$5,718 NZD
Retailer 8$6,718 NZD
Retailer 3$7,503 NZD
Retailer 4$9,770 NZD
Retailer 6$12,114 NZD
Retailer 5$12,714 NZD
Retailer 15$14,920 NZD
Brilliant Earth$18,573 NZD

36 data points across 15 retailers

17 retailers$3,928 NZD to $18,573 NZD

A
Cheapest Retailer
-
$3,928 NZD
$2,210 USD
A
Retailer 2
-
$4,601 NZD
$2,589 USD
View
A
Retailer 3
-
$5,141 NZD
£2,278 GBP
View
B+
Retailer 4
-
$5,186 NZD
$2,918 USD
View
A
Retailer 5
-
$5,364 NZD
$3,018 USD
View
Retailer 6
-
$5,556 NZD
$3,126 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$5,613 NZD
ZAR 51,018 ZAR
View
A
Retailer 8
-
$5,718 NZD
€3,064 EUR
View
A
Retailer 9
-
$6,718 NZD
A$5,815 AUD
View
B+
Retailer 10
-
$7,503 NZD
£3,324 GBP
View
B+
Retailer 11
-
$9,336 NZD
$5,253 USD
View
B+
Retailer 12
-
$9,770 NZD
$5,497 USD
View
Retailer 13
-
$11,212 NZD
$6,309 USD
View
Price last confirmed 70 days ago
B
Retailer 14
-
$12,114 NZD
SGD 9,211 SGD
View
B
Retailer 15
-
$12,714 NZD
$7,153 USD
View
B
Retailer 16
-
$14,920 NZD
$8,395 USD
View
Most Expensive
B
Brilliant Earth
15379964A · Oct 31
$18,573 NZD
$10,450 USD
View
16 more retailers have this diamond
Prices start from $3,928 NZDSave up to $14,645 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
12.07ct Radiant
$3,928 NZD