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Cushion|Lab Grown|IGI

3.09ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG677521271

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG677521271

Diamond specifications and retailer prices

From £560 GBP
$750 USD
As of October 31, 2026
Save £3,881 GBP (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,441 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG677521271 or 677521271. Listed at 20 retailers as of October 31, 2026, with prices from £560 to £4,441, a £3,881 spread on the same certified stone. Do Amore Diamonds lists it at £4,441. 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

3.09
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677521271
Dimensions9.85 × 7.85 × 5.18 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
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
9.85 mm7.85 mm3.09 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677521271
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 66.0%

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: £4,441 GBP|Low: £560 GBP|High: £4,441 GBP|Avg: £1,861 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 11
Retailer 12
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Retailer 19
November 1, 2026
Retailer 15£560 GBP
Retailer 16£713 GBP
Retailer 8£808 GBP
Retailer 19£831 GBP
Retailer 4£959 GBP
Retailer 13£1,017 GBP
Retailer 12£1,028 GBP
Retailer 5£1,186 GBP
Retailer 17£1,447 GBP
Retailer 18£1,487 GBP
Retailer 10£1,624 GBP
Retailer 7£1,995 GBP
Retailer 11£2,292 GBP
Retailer 9£2,405 GBP
Retailer 2£2,516 GBP
Retailer 14£2,903 GBP
Retailer 3£2,974 GBP
Retailer 6£3,903 GBP
Do Amore Diamonds£4,441 GBP

39 data points across 19 retailers

20 retailers£560 GBP to £4,441 GBP

A
Cheapest Retailer
-
£560 GBP
$750 USD
Final sale: no returns
A
Retailer 2
-
£713 GBP
$955 USD
View
A
Retailer 3
-
£808 GBP
$1,083 USD
View
A
Retailer 4
-
£831 GBP
HK$8,700 HKD
View
A
Retailer 5
-
£959 GBP
$1,285 USD
View
A
Retailer 6
-
£1,017 GBP
€1,298 EUR
View
Retailer 7
-
£1,027 GBP
View
Price last confirmed 17 days ago
A
Retailer 8
-
£1,028 GBP
View
A
Retailer 9
-
£1,186 GBP
$1,589 USD
View
A
Retailer 10
-
£1,447 GBP
A$2,982 AUD
View
A
Retailer 11
-
£1,487 GBP
ZAR 32,196 ZAR
View
B+
Retailer 12
-
£1,624 GBP
$2,175 USD
View
B+
Retailer 13
-
£1,995 GBP
$2,673 USD
View
B+
Retailer 14
-
£2,292 GBP
$3,071 USD
View
B+
Retailer 15
-
£2,405 GBP
SGD 4,354 SGD
View
B+
Retailer 16
-
£2,516 GBP
View
B+
Retailer 17
-
£2,903 GBP
A$5,984 AUD
View
Retailer 18
-
£2,974 GBP
$3,985 USD
View
Price last confirmed 11 days ago
B
Retailer 19
-
£3,903 GBP
$5,230 USD
View
Most Expensive
B
Do Amore Diamonds
27-D28142F2A · Oct 31
£4,441 GBP
$5,950 USD
View
19 more retailers have this diamond
Prices start from £560 GBPSave up to £3,881 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
3.09ct Cushion
£560 GBP