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Cushion|Lab Grown|IGI

3.09ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG696557672

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

Certificate IGI LG696557672

Diamond specifications and retailer prices

From £428 GBP
$574 USD
As of October 31, 2026
Save £4,568 GBP (91%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,997 GBP at Yadav Diamonds · As of October 30, 2026
View at Yadav 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG696557672 or 696557672. Listed at 16 retailers as of October 30, 2026, with prices from £428 to £4,997, a £4,568 spread on the same certified stone. Yadav Diamonds lists it at £4,997. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696557672
Dimensions8.40 × 8.37 × 5.52 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.40 mm8.37 mm3.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696557672
Side View
Table 63.0%Crown 37°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £811 GBP|Low: £428 GBP|High: £4,829 GBP|Avg: £1,488 GBP|-6.2%
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
Retailer 14
Retailer 15
November 1, 2026
Retailer 3£428 GBP
Retailer 13£475 GBP
Retailer 8£549 GBP
Retailer 15£628 GBP
Retailer 9£658 GBP
Retailer 1£811 GBP
Retailer 6£846 GBP
Retailer 10£1,106 GBP
Retailer 12£1,138 GBP
Retailer 14£1,182 GBP
Retailer 4£1,524 GBP
Retailer 5£1,785 GBP
Retailer 11£2,286 GBP
Retailer 2£3,396 GBP
Retailer 7£4,829 GBP

31 data points across 15 retailers

16 retailers£428 GBP to £4,997 GBP

A
Cheapest Retailer
-
£428 GBP
$574 USD
Final sale: no returns
Retailer 2
-
£475 GBP
$636 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
£549 GBP
$735 USD
View
B+
Retailer 4
-
£628 GBP
$841 USD
View
A
Retailer 5
-
£658 GBP
View
A
Retailer 6
-
£811 GBP
View
A
Retailer 7
-
£846 GBP
$1,133 USD
View
A
Retailer 8
-
£1,106 GBP
A$2,280 AUD
View
A
Retailer 9
-
£1,138 GBP
ZAR 24,624 ZAR
View
A
Retailer 10
-
£1,182 GBP
$1,584 USD
View
B+
Retailer 11
-
£1,524 GBP
View
B+
Retailer 12
-
£1,785 GBP
$2,391 USD
View
B+
Retailer 13
-
£2,286 GBP
View
B
Retailer 14
-
£3,396 GBP
$4,550 USD
View
B
Retailer 15
-
£4,829 GBP
$6,470 USD
View
Most Expensive
B
Yadav Diamonds
13241461 · Oct 30
£4,997 GBP
$6,695 USD
View
15 more retailers have this diamond
Prices start from £428 GBPSave up to £4,568 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
£428 GBP