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Cushion|Lab Grown|IGI

3.10ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG787638314

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

Certificate IGI LG787638314

Diamond specifications and retailer prices

From $776 AUD
$545 USD
As of October 29, 2026
Save $5,388 AUD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,164 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore 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 LG787638314 or 787638314. Listed at 20 retailers as of October 29, 2026, with prices from $776 to $6,164, a $5,388 spread on the same certified stone. Do Amore Diamonds lists it at $6,164. 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 angle40.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787638314
Dimensions8.61 × 8.23 × 5.74 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.61 mm8.23 mm3.10 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787638314
Side View
Table 64.0%Crown 40.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 69.7%

Caratlytics Score

How it works →
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: $6,164 AUD|Low: $776 AUD|High: $6,435 AUD|Avg: $2,586 AUD|-4.2%
Do Amore 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
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Retailer 17
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Retailer 19
Retailer 20
October 31, 2026
Retailer 7$776 AUD
Retailer 12$898 AUD
Retailer 5$1,130 AUD
Retailer 3$1,283 AUD
Retailer 17$1,303 AUD
Retailer 18$1,341 AUD
Retailer 2$1,479 AUD
Retailer 4$1,613 AUD
Retailer 14$2,006 AUD
Retailer 16$2,063 AUD
Retailer 19$2,133 AUD
Retailer 9$2,755 AUD
Retailer 20$2,987 AUD
Retailer 8$3,219 AUD
Retailer 6$3,251 AUD
Retailer 10$3,295 AUD
Retailer 13$3,471 AUD
Retailer 15$3,987 AUD
Retailer 11$4,314 AUD
Do Amore Diamonds$6,164 AUD

38 data points across 20 retailers

20 retailers$776 AUD to $6,164 AUD

A
Cheapest Retailer
-
$776 AUD
$545 USD
Final sale: no returns
Retailer 2
-
$898 AUD
$631 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$1,130 AUD
HK$6,200 HKD
View
A
Retailer 4
-
$1,283 AUD
$901 USD
View
A
Retailer 5
-
$1,303 AUD
$915 USD
View
A
Retailer 6
-
$1,341 AUD
$942 USD
View
A
Retailer 7
-
$1,479 AUD
£818 GBP
View
A
Retailer 8
-
$1,613 AUD
$1,133 USD
View
A
Retailer 9
-
$2,006 AUD
View
A
Retailer 10
-
$2,063 AUD
ZAR 23,409 ZAR
View
A
Retailer 11
-
$2,133 AUD
$1,498 USD
View
B+
Retailer 12
-
$2,755 AUD
£1,524 GBP
View
B+
Retailer 13
-
$2,987 AUD
$2,098 USD
View
B+
Retailer 14
-
$3,219 AUD
$2,261 USD
View
B+
Retailer 15
-
$3,251 AUD
$2,283 USD
View
B+
Retailer 16
-
$3,295 AUD
SGD 3,128 SGD
View
B+
Retailer 17
-
$3,471 AUD
View
B+
Retailer 18
-
$3,987 AUD
£2,205 GBP
View
Retailer 19
-
$4,314 AUD
$3,030 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-0C3FF12A9 · Oct 30
$6,164 AUD
$4,330 USD
View
19 more retailers have this diamond
Prices start from $776 AUDSave up to $5,388 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
$776 AUD