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Radiant|Lab Grown|IGI

3.10ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784645097

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

Certificate IGI LG784645097

Diamond specifications and retailer prices

From $2,983 NZD
$1,681 USD
As of October 30, 2026
Save $18,078 NZD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $21,061 NZD at Brilliant Earth · As of October 30, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784645097 or 784645097. Listed at 14 retailers as of October 30, 2026, with prices from $2,983 to $21,061, a $18,078 spread on the same certified stone. Brilliant Earth lists it at $21,061. 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
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645097
Dimensions10.25 × 7.32 × 4.84 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.25 mm7.32 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645097
Side View
Table 62.0%Crown 40.3°Girdle: ThickPavilion 34.4°Culet: NoneDepth 66.1%

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: Oct 30
Current: $21,061 NZD|Low: $2,983 NZD|High: $29,453 NZD|Avg: $9,135 NZD|-11.7%
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
October 31, 2026
Retailer 9$2,983 NZD
Retailer 3$3,252 NZD
Retailer 8$3,650 NZD
Retailer 2$3,762 NZD
Retailer 11$4,441 NZD
Retailer 6$5,043 NZD
Retailer 14$5,449 NZD
Retailer 7$5,965 NZD
Retailer 4$6,461 NZD
Retailer 13$7,158 NZD
Retailer 12$10,965 NZD
Retailer 5$11,258 NZD
Retailer 10$20,529 NZD
Brilliant Earth$21,061 NZD

34 data points across 14 retailers

14 retailers$2,983 NZD to $21,061 NZD

A
Cheapest Retailer
-
$2,983 NZD
$1,681 USD
A
Retailer 2
-
$3,252 NZD
$1,833 USD
View
A
Retailer 3
-
$3,650 NZD
$2,057 USD
View
A
Retailer 4
-
$3,762 NZD
$2,120 USD
View
A
Retailer 5
-
$4,441 NZD
$2,503 USD
View
A
Retailer 6
-
$5,043 NZD
$2,842 USD
View
Final sale: no returns
A
Retailer 7
-
$5,449 NZD
$3,071 USD
View
A
Retailer 8
-
$5,965 NZD
$3,362 USD
View
Retailer 9
-
$6,461 NZD
€3,468 EUR
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$7,158 NZD
$4,034 USD
View
B+
Retailer 11
-
$10,965 NZD
£4,866 GBP
View
Retailer 12
-
$11,258 NZD
$6,345 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$20,529 NZD
$11,570 USD
View
Most Expensive
B
Brilliant Earth
19065808Y · Oct 30
$21,061 NZD
$11,870 USD
View
13 more retailers have this diamond
Prices start from $2,983 NZDSave up to $18,078 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
$2,983 NZD