Cushion|Lab Grown|IGI

3.10ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG844685029

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

Certificate IGI LG844685029

Diamond specifications and retailer prices

From $614 USD
As of October 29, 2026
Save $3,524 USD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,138 USD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg 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 LG844685029 or 844685029. Listed at 15 retailers as of October 29, 2026, with prices from $614 to $4,138, a $3,524 spread on the same certified stone. Helzberg Diamonds lists it at $4,138. 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 angle36.2°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844685029
Dimensions8.37 × 8.24 × 5.38 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
8.37 mm8.24 mm3.10 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844685029
Side View
Table 62.0%Crown 36.2°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 65.3%

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: $4,138 USD|Low: $614 USD|High: $4,138 USD|Avg: $1,842 USD
Helzberg Diamonds
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
Retailer 15
October 31, 2026
Retailer 3$614 USD
Retailer 12$700 USD
Retailer 9$793 USD
Retailer 4$872 USD
Retailer 13$916 USD
Retailer 10$995 USD
Retailer 8$1,429 USD
Retailer 14$1,483 USD
Retailer 7$2,274 USD
Retailer 2$2,438 USD
Retailer 11$2,649 USD
Retailer 5$2,847 USD
Retailer 15$3,065 USD
Retailer 6$4,070 USD
Helzberg Diamonds$4,138 USD

11 data points across 15 retailers

15 retailers$614 USD to $4,138 USD

A
Cheapest Retailer
-
$614 USD
Final sale: no returns
A
Retailer 2
-
$700 USD
View
A
Retailer 3
-
$793 USD
£624 GBP
View
B+
Retailer 4
-
$872 USD
View
A
Retailer 5
-
$916 USD
View
A
Retailer 6
-
$995 USD
€948 EUR
View
A
Retailer 7
-
$1,429 USD
View
A
Retailer 8
-
$1,483 USD
View
B+
Retailer 9
-
$2,274 USD
View
B+
Retailer 10
-
$2,438 USD
A$3,751 AUD
View
B+
Retailer 11
-
$2,649 USD
£2,086 GBP
View
B
Retailer 12
-
$2,847 USD
View
Retailer 13
-
$3,065 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$4,070 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKKMOLGIP · Oct 31
$4,138 USD
View
14 more retailers have this diamond
Prices start from $614 USDSave up to $3,524 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