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Radiant|Lab Grown|IGI

3.10ct G IF Radiant Lab Grown Diamond

ID • G/IF • IGI LG641488496

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

Certificate IGI LG641488496

Diamond specifications and retailer prices

From $2,374 NZD
As of November 4, 2026
Save $10,843 NZD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $13,216 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG641488496 or 641488496. Listed at 24 retailers as of November 4, 2026, with prices from $2,374 to $13,216, a $10,843 spread on the same certified stone. Brilliant Earth lists it at $13,216. 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

3.10
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG641488496
Dimensions10.68 × 7.19 × 4.77 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
10.68 mm7.19 mm3.10 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG641488496
Side View
Table 62.0%Crown 43.3°Girdle: MediumPavilion 33.9°Culet: NoneDepth 66.3%

Caratlytics Score

How it works →
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: Nov 4
Current: $13,216 NZD|Low: $2,280 NZD|High: $14,369 NZD|Avg: $5,865 NZD|-7.9%
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
November 5, 2026
Retailer 14$2,374 NZD
Retailer 4$2,753 NZD
Retailer 8$2,941 NZD
Retailer 13$3,060 NZD
Retailer 7$3,846 NZD
Retailer 9$3,938 NZD
Retailer 11$4,389 NZD
Retailer 5$4,682 NZD
Retailer 6$5,161 NZD
Retailer 10$6,399 NZD
Retailer 3$7,573 NZD
Retailer 2$8,822 NZD
Retailer 12$9,792 NZD
Brilliant Earth$13,216 NZD

39 data points across 14 retailers

24 retailers$2,374 NZD to $13,216 NZD

A
Cheapest Retailer
-
$2,374 NZD
A
Retailer 2
-
$2,583 NZD
View
A
Retailer 3
-
$2,659 NZD
View
Final sale: no returns
A
Retailer 4
-
$2,753 NZD
View
Retailer 5
-
$2,753 NZD
View
Price last confirmed 24 days ago
A
Retailer 6
-
$2,941 NZD
View
A
Retailer 7
-
$3,060 NZD
View
A
Retailer 8
-
$3,158 NZD
View
A
Retailer 9
-
$3,846 NZD
View
A
Retailer 10
-
$3,938 NZD
View
A
Retailer 11
-
$4,389 NZD
View
B+
Retailer 12
-
$4,529 NZD
View
Retailer 13
-
$4,682 NZD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$5,161 NZD
View
B+
Retailer 15
-
$6,071 NZD
View
B+
Retailer 16
-
$6,399 NZD
View
B+
Retailer 17
-
$6,651 NZD
View
B+
Retailer 18
-
$7,421 NZD
View
B
Retailer 19
-
$7,573 NZD
View
B+
Retailer 20
-
$8,822 NZD
View
B
Retailer 21
-
$9,212 NZD
View
B
Retailer 22
-
$9,674 NZD
View
B
Retailer 23
-
$9,792 NZD
View
Most Expensive
B
Brilliant Earth
10733041A · Nov 4
$13,216 NZD
$7,450 USD
View
23 more retailers have this diamond
Prices start from $2,374 NZDSave up to $10,843 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
3.10ct Radiant
$2,374 NZD