Radiant|Lab Grown|IGI

3.20ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG768631132

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

Certificate IGI LG768631132

Diamond specifications and retailer prices

From $1,128 USD
As of October 30, 2026
Save $8,892 USD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $10,020 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.2ct lab-grown radiant diamond

This 3.2ct 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 LG768631132 or 768631132. Listed at 17 retailers as of October 30, 2026, with prices from $1,128 to $10,020, a $8,892 spread on the same certified stone. Do Amore Diamonds lists it at $10,020. 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

3.20
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle32.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631132
Dimensions10.62 × 10.62 × 7.15 mm
L/W Ratio1.00
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
10.62 mm10.62 mm3.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631132
Side View
Table 63.0%Crown 43.4°Girdle: ThickPavilion 32.2°Culet: NoneDepth 65.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $10,020 USD|Low: $1,005 USD|High: $12,620 USD|Avg: $4,236 USD|-6.8%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 17
October 30, 2026
Retailer 10$1,128 USD
Retailer 3$1,267 USD
Retailer 9$1,407 USD
Retailer 16$1,519 USD
Retailer 7$1,520 USD
Retailer 15$2,146 USD
Retailer 4$2,422 USD
Retailer 11$2,500 USD
Retailer 17$2,662 USD
Retailer 14$2,707 USD
Retailer 5$3,433 USD
Retailer 13$3,690 USD
Retailer 12$4,665 USD
Retailer 6$5,435 USD
Retailer 8$7,136 USD
Retailer 2$9,460 USD
Do Amore Diamonds$10,020 USD

31 data points across 17 retailers

17 retailers$1,128 USD to $10,020 USD

A
Cheapest Retailer
-
$1,128 USD
A
Retailer 2
-
$1,267 USD
View
A
Retailer 3
-
$1,407 USD
View
Final sale: no returns
A
Retailer 4
-
$1,519 USD
View
A
Retailer 5
-
$1,520 USD
View
A
Retailer 6
-
$2,146 USD
View
Retailer 7
-
$2,422 USD
€2,307 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
$2,500 USD
View
A
Retailer 9
-
$2,662 USD
View
A
Retailer 10
-
$2,707 USD
View
Retailer 11
-
$3,433 USD
A$5,281 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$3,690 USD
View
B+
Retailer 13
-
$4,665 USD
£3,673 GBP
View
Retailer 14
-
$5,435 USD
View
Price last confirmed 9 days ago
Retailer 15
-
$7,136 USD
A$10,978 AUD
View
Price last confirmed 21 days ago
B
Retailer 16
-
$9,460 USD
View
Most Expensive
B
Do Amore Diamonds
27-002A2AAAB · Oct 30
$10,020 USD
View
16 more retailers have this diamond
Prices start from $1,128 USDSave up to $8,892 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.20ct Radiant
$1,128 USD