Cushion|Lab Grown|IGI

3.10ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG836630171

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

Certificate IGI LG836630171

Diamond specifications and retailer prices

From $566 USD
As of October 29, 2026
Save $3,154 USD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,720 USD at Brilliant Earth · As of October 24, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836630171 or 836630171. Listed at 15 retailers as of October 24, 2026, with prices from $566 to $3,720, a $3,154 spread on the same certified stone. Brilliant Earth lists it at $3,720. 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 angle36.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836630171
Dimensions8.28 × 8.14 × 5.56 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.28 mm8.14 mm3.10 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836630171
Side View
Table 66.0%Crown 36.4°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 68.3%

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: $1,040 USD|Low: $566 USD|High: $2,647 USD|Avg: $1,446 USD|-0.1%
Retailer 1
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 29, 2026
Retailer 13$566 USD
Retailer 11$691 USD
Retailer 9$755 USD
Retailer 10$795 USD
Retailer 14$865 USD
Retailer 7$920 USD
Retailer 1$1,040 USD
Retailer 3$1,481 USD
Retailer 12$1,951 USD
Retailer 5$1,983 USD
Retailer 4$2,040 USD
Retailer 6$2,115 USD
Retailer 2$2,168 USD
Retailer 8$2,630 USD

22 data points across 14 retailers

15 retailers$566 USD to $3,720 USD

A
Cheapest Retailer
-
$566 USD
Final sale: no returns
A
Retailer 2
-
$691 USD
HK$5,400 HKD
View
A
Retailer 3
-
$755 USD
View
A
Retailer 4
-
$795 USD
£626 GBP
View
Price last confirmed 16 days ago
B+
Retailer 5
-
$865 USD
View
A
Retailer 6
-
$920 USD
€876 EUR
View
A
Retailer 7
-
$1,040 USD
£819 GBP
View
A
Retailer 8
-
$1,481 USD
View
B+
Retailer 9
-
$1,951 USD
View
B+
Retailer 10
-
$1,983 USD
SGD 2,680 SGD
View
B+
Retailer 11
-
$2,040 USD
View
B+
Retailer 12
-
$2,115 USD
View
B+
Retailer 13
-
$2,168 USD
View
B+
Retailer 14
-
$2,630 USD
£2,071 GBP
View
Most Expensive
B
Brilliant Earth
21801314A · Oct 24
$3,720 USD
View
14 more retailers have this diamond
Prices start from $566 USDSave up to $3,154 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
$566 USD