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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 $806 AUD
$566 USD
As of October 29, 2026
Save $4,490 AUD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,296 AUD 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 $806 to $5,296, a $4,490 spread on the same certified stone. Brilliant Earth lists it at $5,296. 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
Colour
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: $1,485 AUD|Low: $806 AUD|High: $3,768 AUD|Avg: $2,057 AUD|+0.2%
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 30, 2026
Retailer 13$806 AUD
Retailer 11$984 AUD
Retailer 9$1,075 AUD
Retailer 10$1,131 AUD
Retailer 14$1,231 AUD
Retailer 7$1,309 AUD
Retailer 1$1,485 AUD
Retailer 3$2,108 AUD
Retailer 12$2,777 AUD
Retailer 5$2,823 AUD
Retailer 4$2,904 AUD
Retailer 6$3,011 AUD
Retailer 2$3,086 AUD
Retailer 8$3,744 AUD

23 data points across 14 retailers

15 retailers$806 AUD to $5,296 AUD

A
Cheapest Retailer
-
$806 AUD
$566 USD
Final sale: no returns
A
Retailer 2
-
$984 AUD
HK$5,400 HKD
View
A
Retailer 3
-
$1,075 AUD
$755 USD
View
Retailer 4
-
$1,131 AUD
£626 GBP
View
Price last confirmed 18 days ago
B+
Retailer 5
-
$1,231 AUD
$865 USD
View
A
Retailer 6
-
$1,309 AUD
€876 EUR
View
A
Retailer 7
-
$1,485 AUD
£821 GBP
View
A
Retailer 8
-
$2,108 AUD
$1,481 USD
View
B+
Retailer 9
-
$2,777 AUD
$1,951 USD
View
B+
Retailer 10
-
$2,823 AUD
SGD 2,680 SGD
View
B+
Retailer 11
-
$2,904 AUD
$2,040 USD
View
B+
Retailer 12
-
$3,011 AUD
$2,115 USD
View
B+
Retailer 13
-
$3,086 AUD
$2,168 USD
View
B+
Retailer 14
-
$3,744 AUD
£2,071 GBP
View
Most Expensive
B
Brilliant Earth
21801314A · Oct 24
$5,296 AUD
$3,720 USD
View
14 more retailers have this diamond
Prices start from $806 AUDSave up to $4,490 AUD

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
$806 AUD