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 £407 GBP
$545 USD
As of October 31, 2026
Save £2,825 GBP (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,232 GBP 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 30, 2026, with prices from £407 to £3,232, a £2,825 spread on the same certified stone. Do Amore Diamonds lists it at £3,232. 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

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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 31
Current: £3,232 GBP|Low: £407 GBP|High: £3,373 GBP|Avg: £1,356 GBP|-4.2%
Do Amore Diamonds
Retailer 2
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October 31, 2026
Retailer 7£407 GBP
Retailer 12£471 GBP
Retailer 5£592 GBP
Retailer 3£672 GBP
Retailer 17£683 GBP
Retailer 18£703 GBP
Retailer 2£775 GBP
Retailer 4£846 GBP
Retailer 14£1,052 GBP
Retailer 16£1,081 GBP
Retailer 19£1,118 GBP
Retailer 9£1,445 GBP
Retailer 20£1,566 GBP
Retailer 8£1,687 GBP
Retailer 6£1,704 GBP
Retailer 10£1,728 GBP
Retailer 13£1,820 GBP
Retailer 15£2,090 GBP
Retailer 11£2,261 GBP
Do Amore Diamonds£3,232 GBP

38 data points across 20 retailers

20 retailers£407 GBP to £3,232 GBP

A
Cheapest Retailer
-
£407 GBP
$545 USD
Final sale: no returns
Retailer 2
-
£471 GBP
$631 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
£592 GBP
HK$6,200 HKD
View
A
Retailer 4
-
£672 GBP
$901 USD
View
A
Retailer 5
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£683 GBP
$915 USD
View
A
Retailer 6
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£703 GBP
$942 USD
View
A
Retailer 7
-
£775 GBP
View
A
Retailer 8
-
£846 GBP
$1,133 USD
View
A
Retailer 9
-
£1,052 GBP
A$2,168 AUD
View
A
Retailer 10
-
£1,081 GBP
ZAR 23,409 ZAR
View
A
Retailer 11
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£1,118 GBP
$1,498 USD
View
B+
Retailer 12
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£1,445 GBP
View
B+
Retailer 13
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£1,566 GBP
$2,098 USD
View
B+
Retailer 14
-
£1,687 GBP
$2,261 USD
View
B+
Retailer 15
-
£1,704 GBP
$2,283 USD
View
B+
Retailer 16
-
£1,728 GBP
SGD 3,128 SGD
View
B+
Retailer 17
-
£1,820 GBP
A$3,751 AUD
View
B+
Retailer 18
-
£2,090 GBP
View
Retailer 19
-
£2,261 GBP
$3,030 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-0C3FF12A9 · Oct 30
£3,232 GBP
$4,330 USD
View
19 more retailers have this diamond
Prices start from £407 GBPSave up to £2,825 GBP

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
£407 GBP