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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 $874 AUD
$614 USD
As of October 30, 2026
Save $4,920 AUD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,922 AUD 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 29, 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
Colour
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

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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 30
Current: $1,129 AUD|Low: $874 AUD|High: $4,413 AUD|Avg: $2,303 AUD|-1.1%
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
October 30, 2026
Retailer 13$874 AUD
Retailer 11$997 AUD
Retailer 1$1,129 AUD
Retailer 5$1,241 AUD
Retailer 6$1,417 AUD
Retailer 7$1,913 AUD
Retailer 8$2,078 AUD
Retailer 2$2,111 AUD
Retailer 12$3,237 AUD
Retailer 3$3,512 AUD
Retailer 10$3,771 AUD
Retailer 4$4,053 AUD
Retailer 9$4,363 AUD

19 data points across 13 retailers

15 retailers$874 AUD to $5,794 AUD

A
Cheapest Retailer
-
$874 AUD
$614 USD
Final sale: no returns
A
Retailer 2
-
$997 AUD
$700 USD
View
A
Retailer 3
-
$1,129 AUD
£624 GBP
View
B+
Retailer 4
-
$1,241 AUD
$872 USD
View
A
Retailer 5
-
$1,417 AUD
€948 EUR
View
Retailer 6
-
$1,913 AUD
View
Price last confirmed 10 days ago
A
Retailer 7
-
$2,078 AUD
$1,460 USD
View
A
Retailer 8
-
$2,111 AUD
$1,483 USD
View
B+
Retailer 9
-
$3,237 AUD
$2,274 USD
View
Retailer 10
-
$3,512 AUD
View
Price last confirmed 30 days ago
B+
Retailer 11
-
$3,771 AUD
£2,086 GBP
View
B
Retailer 12
-
$4,053 AUD
$2,847 USD
View
Retailer 13
-
$4,363 AUD
$3,065 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$5,794 AUD
$4,070 USD
View
Most Expensive
Brilliant Earth
21764321A · Oct 15
$5,922 AUD
$4,160 USD
View
Price last confirmed 15 days ago
14 more retailers have this diamond
Prices start from $874 AUDSave up to $4,920 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
$874 AUD