Cushion|Lab Grown|IGI

3.10ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG838612217

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

Certificate IGI LG838612217

Diamond specifications and retailer prices

From $614 USD
As of October 28, 2026
Save $3,456 USD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,160 USD at Brilliant Earth · As of October 15, 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 LG838612217 or 838612217. Listed at 15 retailers as of October 28, 2026, with a 563% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle32.7°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838612217
Dimensions8.33 × 8.30 × 5.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.33 mm8.30 mm3.10 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838612217
Side View
Table 62.0%Crown 32.7°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 66.9%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: $995 USD|Low: $614 USD|High: $3,100 USD|Avg: $1,615 USD|+0.7%
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
October 29, 2026
Retailer 13$614 USD
Retailer 10$700 USD
Retailer 12$801 USD
Retailer 5$872 USD
Retailer 1$995 USD
Retailer 6$1,344 USD
Retailer 7$1,460 USD
Retailer 2$1,483 USD
Retailer 11$2,274 USD
Retailer 3$2,467 USD
Retailer 9$2,649 USD
Retailer 4$2,847 USD
Retailer 8$3,065 USD

18 data points across 13 retailers

15 retailers$614 USD to $4,070 USD

A
Cheapest Retailer
-
$614 USD
Final sale: no returns
A
Retailer 2
-
$700 USD
View
A
Retailer 3
-
$801 USD
£631 GBP
View
Price last confirmed 21 days ago
B+
Retailer 4
-
$872 USD
View
A
Retailer 5
-
$995 USD
€948 EUR
View
A
Retailer 6
-
$1,344 USD
A$2,067 AUD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$1,460 USD
View
A
Retailer 8
-
$1,483 USD
View
B+
Retailer 9
-
$2,274 USD
View
B+
Retailer 10
-
$2,467 USD
A$3,795 AUD
View
Price last confirmed 28 days ago
B+
Retailer 11
-
$2,649 USD
£2,086 GBP
View
B
Retailer 12
-
$2,847 USD
View
B
Retailer 13
-
$3,065 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$4,070 USD
View
Most Expensive
B
Brilliant Earth
21764321A · Oct 15
$4,160 USD
View
Price last confirmed 14 days ago
14 more retailers have this diamond
Prices start from $614 USDSave up to $3,456 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
$614 USD