Cushion|Lab Grown|IGI

3.10ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG787638314

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG787638314

Diamond specifications and retailer prices

From $545 USD
As of October 29, 2026
Save $3,785 USD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,330 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG787638314 or 787638314. Listed at 20 retailers as of October 29, 2026, with prices from $545 to $4,330, a $3,785 spread on the same certified stone. Do Amore Diamonds lists it at $4,330. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787638314
Dimensions8.61 × 8.23 × 5.74 mm
L/W Ratio1.05
Girdle conditionFaceted
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
8.61 mm8.23 mm3.10 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787638314
Side View
Table 64.0%Crown 40.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 69.7%

Caratlytics Score

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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 29
Current: $4,330 USD|Low: $545 USD|High: $4,520 USD|Avg: $1,822 USD|-4.2%
Do Amore Diamonds
Retailer 2
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October 30, 2026
Retailer 6$545 USD
Retailer 12$631 USD
Retailer 4$794 USD
Retailer 20$901 USD
Retailer 16$915 USD
Retailer 17$942 USD
Retailer 13$1,039 USD
Retailer 3$1,133 USD
Retailer 2$1,409 USD
Retailer 15$1,449 USD
Retailer 18$1,498 USD
Retailer 8$1,935 USD
Retailer 19$2,098 USD
Retailer 7$2,261 USD
Retailer 5$2,283 USD
Retailer 9$2,315 USD
Retailer 11$2,488 USD
Retailer 14$2,800 USD
Retailer 10$3,030 USD
Do Amore Diamonds$4,330 USD

38 data points across 20 retailers

20 retailers$545 USD to $4,330 USD

A
Cheapest Retailer
-
$545 USD
Final sale: no returns
Retailer 2
-
$631 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$794 USD
HK$6,200 HKD
View
A
Retailer 4
-
$901 USD
View
A
Retailer 5
-
$915 USD
View
A
Retailer 6
-
$942 USD
View
A
Retailer 7
-
$1,039 USD
£818 GBP
View
A
Retailer 8
-
$1,133 USD
View
A
Retailer 9
-
$1,409 USD
A$2,168 AUD
View
A
Retailer 10
-
$1,449 USD
ZAR 23,409 ZAR
View
A
Retailer 11
-
$1,498 USD
View
B+
Retailer 12
-
$1,935 USD
£1,524 GBP
View
B+
Retailer 13
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$2,098 USD
View
B+
Retailer 14
-
$2,261 USD
View
B+
Retailer 15
-
$2,283 USD
View
B+
Retailer 16
-
$2,315 USD
SGD 3,128 SGD
View
Retailer 17
-
$2,488 USD
A$3,828 AUD
View
Price last confirmed 22 days ago
B+
Retailer 18
-
$2,800 USD
£2,205 GBP
View
Retailer 19
-
$3,030 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Do Amore Diamonds
27-0C3FF12A9 · Oct 30
$4,330 USD
View
19 more retailers have this diamond
Prices start from $545 USDSave up to $3,785 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
$545 USD