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Cushion|Lab Grown|IGI

3.10ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG784645072

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG784645072

Diamond specifications and retailer prices

From $2,000 USD
As of October 29, 2026
Save $11,130 USD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $13,130 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion 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 LG784645072 or 784645072. Listed at 10 retailers as of October 29, 2026, with prices from $2,000 to $13,130, a $11,130 spread on the same certified stone. Brilliant Earth lists it at $13,130. 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
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645072
Dimensions9.83 × 7.55 × 5.34 mm
L/W Ratio1.30
Girdle conditionFaceted
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
9.83 mm7.55 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645072
Side View
Table 64.0%Crown 36.6°Girdle: STK-THKPavilion 38°Culet: NoneDepth 70.7%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: $13,130 USD|Low: $1,990 USD|High: $19,610 USD|Avg: $6,348 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 7$2,000 USD
Retailer 5$2,010 USD
Retailer 8$2,492 USD
Retailer 6$2,968 USD
Retailer 10$3,418 USD
Retailer 2$3,425 USD
Retailer 3$5,853 USD
Retailer 9$6,465 USD
Retailer 4$10,950 USD
Brilliant Earth$13,130 USD

28 data points across 10 retailers

10 retailers$2,000 USD to $13,130 USD

A+
Cheapest Retailer
-
$2,000 USD
A
Retailer 2
-
$2,010 USD
View
A
Retailer 3
-
$2,492 USD
View
A
Retailer 4
-
$2,968 USD
View
A
Retailer 5
-
$3,418 USD
View
Final sale: no returns
A
Retailer 6
-
$3,425 USD
€3,262 EUR
View
B+
Retailer 7
-
$5,853 USD
£4,609 GBP
View
Retailer 8
-
$6,465 USD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$10,950 USD
View
Most Expensive
B
Brilliant Earth
19065506Y · Oct 29
$13,130 USD
View
9 more retailers have this diamond
Prices start from $2,000 USDSave up to $11,130 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+
3.10ct Cushion
$2,000 USD