Radiant|Lab Grown|IGI

3.31ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG762545916

Certificate IGI LG762545916

Diamond specifications and retailer prices

From $1,873 USD
Save $11,177 USD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $13,050 USD at Brilliant Earth
View at Brilliant Earth

About this 3.31ct lab-grown radiant diamond

This 3.31ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545916 or 762545916. Listed at 16 retailers, with prices from $1,873 to $13,050 at Brilliant Earth, a $11,177 spread on the same certified stone. 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

3.31
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545916
Dimensions10.99 × 7.35 × 4.76 mm
L/W Ratio1.50
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
10.99 mm7.35 mm3.31 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545916
Side View
Table 62.0%Crown 40.9°Girdle: Slightly ThickPavilion 33.5°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $13,050 USD|Low: $1,265 USD|High: $13,050 USD|Avg: $4,736 USD
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
October 1, 2026
Retailer 8$1,265 USD
Retailer 3$1,873 USD
Retailer 7$2,202 USD
Retailer 9$2,278 USD
Retailer 10$2,631 USD
Retailer 5$2,677 USD
Retailer 16$2,817 USD
Retailer 12$4,136 USD
Retailer 6$4,733 USD
Retailer 4$4,787 USD
Retailer 11$5,244 USD
Retailer 14$5,565 USD
Retailer 2$5,979 USD
Retailer 13$7,293 USD
Retailer 15$10,296 USD
Brilliant Earth$13,050 USD

37 data points across 16 retailers

16 retailers$1,873 USD to $13,050 USD

A
Cheapest Retailer
-
$1,873 USD
A
Retailer 2
-
$2,202 USD
View
A
Retailer 3
-
$2,278 USD
HK$17,800 HKD
View
A
Retailer 4
-
$2,582 USD
£2,033 GBP
View
Price last confirmed 21 days ago
A
Retailer 5
-
$2,637 USD
£2,076 GBP
View
A
Retailer 6
-
$2,677 USD
View
A
Retailer 7
-
$2,817 USD
€2,683 EUR
View
A
Retailer 8
-
$4,136 USD
ZAR 66,819 ZAR
View
B+
Retailer 9
-
$4,733 USD
View
B+
Retailer 10
-
$4,787 USD
View
B+
Retailer 11
-
$5,244 USD
£4,129 GBP
View
B+
Retailer 12
-
$5,565 USD
View
B+
Retailer 13
-
$5,979 USD
View
B
Retailer 14
-
$7,293 USD
A$11,220 AUD
View
B
Retailer 15
-
$10,296 USD
View
Most Expensive
B
Brilliant Earth
19080572Y · Oct 1
$13,050 USD
View
15 more retailers have this diamond
Prices start from $1,873 USDSave up to $11,177 USD

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.

A
3.31ct Radiant
$1,873 USD