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Cushion|Lab Grown|IGI

3.09ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG694503709

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG694503709

Diamond specifications and retailer prices

From £631 GBP
$846 USD
As of October 31, 2026
Save £5,108 GBP (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £5,739 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG694503709 or 694503709. Listed at 23 retailers as of October 31, 2026, with prices from £631 to £5,739, a £5,108 spread on the same certified stone. Brilliant Earth lists it at £5,739. 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 angle38.5°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694503709
Dimensions9.66 × 7.24 × 4.91 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.66 mm7.24 mm3.09 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694503709
Side View
Table 66.0%Crown 38.5°Girdle: MED-THKPavilion 34°Culet: NoneDepth 67.8%

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: £5,739 GBP|Low: £631 GBP|High: £5,941 GBP|Avg: £1,835 GBP|-3.4%
Brilliant Earth
Retailer 2
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Retailer 21
November 1, 2026
Retailer 5£631 GBP
Retailer 6£654 GBP
Retailer 21£758 GBP
Retailer 20£764 GBP
Retailer 8£878 GBP
Retailer 3£937 GBP
Retailer 2£1,002 GBP
Retailer 15£1,039 GBP
Retailer 17£1,384 GBP
Retailer 18£1,519 GBP
Retailer 4£1,544 GBP
Retailer 10£1,583 GBP
Retailer 11£2,036 GBP
Retailer 9£2,201 GBP
Retailer 13£2,211 GBP
Retailer 7£2,214 GBP
Retailer 12£2,257 GBP
Retailer 14£2,349 GBP
Retailer 19£2,572 GBP
Retailer 16£2,935 GBP
Brilliant Earth£5,739 GBP

34 data points across 21 retailers

23 retailers£631 GBP to £5,739 GBP

A
Cheapest Retailer
-
£631 GBP
$846 USD
Final sale: no returns
Retailer 2
-
£654 GBP
$876 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
£758 GBP
$1,015 USD
View
A
Retailer 4
-
£764 GBP
HK$8,000 HKD
View
A
Retailer 5
-
£878 GBP
$1,177 USD
View
A
Retailer 6
-
£937 GBP
$1,255 USD
View
A
Retailer 7
-
£1,002 GBP
View
A
Retailer 8
-
£1,039 GBP
€1,326 EUR
View
A
Retailer 9
-
£1,384 GBP
$1,854 USD
View
A
Retailer 10
-
£1,519 GBP
ZAR 32,876 ZAR
View
B+
Retailer 11
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£1,544 GBP
$2,069 USD
View
B+
Retailer 12
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£1,583 GBP
$2,121 USD
View
B+
Retailer 13
-
£2,036 GBP
View
B+
Retailer 14
-
£2,135 GBP
$2,861 USD
View
B+
Retailer 15
-
£2,201 GBP
SGD 3,985 SGD
View
B+
Retailer 16
-
£2,211 GBP
$2,963 USD
View
B+
Retailer 17
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£2,214 GBP
$2,967 USD
View
B+
Retailer 18
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£2,257 GBP
$3,025 USD
View
B+
Retailer 19
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£2,338 GBP
$3,132 USD
View
B+
Retailer 20
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£2,572 GBP
View
B+
Retailer 21
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£2,935 GBP
A$6,050 AUD
View
Retailer 22
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£3,555 GBP
$4,763 USD
View
Price last confirmed 104 days ago
Most Expensive
B
Brilliant Earth
13760059A · Oct 31
£5,739 GBP
$7,690 USD
View
22 more retailers have this diamond
Prices start from £631 GBPSave up to £5,108 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
£631 GBP