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Cushion|Lab Grown|IGI

3.09ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG702591721

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG702591721

Diamond specifications and retailer prices

From £656 GBP
$879 USD
As of October 31, 2026
Save £4,553 GBP (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £5,209 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG702591721 or 702591721. Listed at 17 retailers as of October 31, 2026, with prices from £656 to £5,209, a £4,553 spread on the same certified stone. Do Amore Diamonds lists it at £5,209. 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 angle34.7°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG702591721
Dimensions10.14 × 7.70 × 5.16 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Top View
10.14 mm7.70 mm3.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG702591721
Side View
Table 61.0%Crown 34.7°Girdle: MED-THKPavilion 36.6°Culet: NoneDepth 67.0%

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: £5,209 GBP|Low: £656 GBP|High: £5,209 GBP|Avg: £1,817 GBP
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
October 31, 2026
Retailer 14£656 GBP
Retailer 16£681 GBP
Retailer 15£821 GBP
Retailer 3£836 GBP
Retailer 6£888 GBP
Retailer 8£960 GBP
Retailer 11£1,008 GBP
Retailer 10£1,155 GBP
Retailer 2£1,696 GBP
Retailer 12£1,744 GBP
Retailer 17£2,017 GBP
Retailer 7£2,070 GBP
Retailer 4£2,266 GBP
Retailer 5£2,299 GBP
Retailer 9£2,679 GBP
Retailer 13£2,830 GBP
Do Amore Diamonds£5,209 GBP

34 data points across 17 retailers

17 retailers£656 GBP to £5,209 GBP

A
Cheapest Retailer
-
£656 GBP
$879 USD
Final sale: no returns
Retailer 2
-
£681 GBP
$912 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
£821 GBP
$1,100 USD
View
A
Retailer 4
-
£836 GBP
$1,120 USD
View
A
Retailer 5
-
£888 GBP
$1,190 USD
View
A
Retailer 6
-
£960 GBP
$1,286 USD
View
A
Retailer 7
-
£1,008 GBP
View
A
Retailer 8
-
£1,155 GBP
View
B+
Retailer 9
-
£1,696 GBP
A$3,496 AUD
View
B+
Retailer 10
-
£1,744 GBP
ZAR 37,747 ZAR
View
Retailer 11
-
£2,017 GBP
A$4,158 AUD
View
Price last confirmed 23 days ago
B
Retailer 12
-
£2,070 GBP
View
B
Retailer 13
-
£2,266 GBP
$3,037 USD
View
B
Retailer 14
-
£2,299 GBP
$3,081 USD
View
B
Retailer 15
-
£2,679 GBP
$3,590 USD
View
B
Retailer 16
-
£2,830 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F55691870 · Oct 31
£5,209 GBP
$6,980 USD
View
16 more retailers have this diamond
Prices start from £656 GBPSave up to £4,553 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
£656 GBP