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Cushion|Lab Grown|IGI

1.00ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG689561921

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689561921

Diamond specifications and retailer prices

From £143 GBP
$190 USD
As of October 29, 2026
Save £684 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £827 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG689561921 or 689561921. Listed at 15 retailers as of October 28, 2026, with prices from £143 to £827, a £684 spread on the same certified stone. Reve Diamonds lists it at £827. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689561921
Dimensions6.96 × 5.31 × 3.65 mm
L/W Ratio1.31
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
6.96 mm5.31 mm1.00 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689561921
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 68.7%

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 29
Current: £283 GBP|Low: £96 GBP|High: £827 GBP|Avg: £406 GBP|+5.3%
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
Reve Diamonds
October 29, 2026
Retailer 2£143 GBP
Retailer 14£159 GBP
Retailer 10£244 GBP
Retailer 7£282 GBP
Retailer 1£283 GBP
Retailer 13£285 GBP
Retailer 5£310 GBP
Retailer 11£339 GBP
Retailer 12£419 GBP
Retailer 8£456 GBP
Retailer 4£533 GBP
Retailer 6£540 GBP
Retailer 3£553 GBP
Retailer 9£746 GBP
Reve Diamonds£827 GBP

45 data points across 15 retailers

15 retailers£143 GBP to £827 GBP

A
Cheapest Retailer
-
£143 GBP
$190 USD
Final sale: no returns
A
Retailer 2
-
£159 GBP
$212 USD
View
A
Retailer 3
-
£244 GBP
$325 USD
View
A
Retailer 4
-
£282 GBP
€358 EUR
View
A
Retailer 5
-
£283 GBP
View
A
Retailer 6
-
£285 GBP
$379 USD
View
B+
Retailer 7
-
£310 GBP
View
Price last confirmed 15 days ago
B+
Retailer 8
-
£339 GBP
$452 USD
View
B
Retailer 9
-
£419 GBP
$558 USD
View
B+
Retailer 10
-
£456 GBP
A$935 AUD
View
B
Retailer 11
-
£533 GBP
$710 USD
View
B
Retailer 12
-
£551 GBP
$734 USD
View
B
Retailer 13
-
£553 GBP
$736 USD
View
B
Retailer 14
-
£746 GBP
View
Most Expensive
B
Reve Diamonds
6B9A2845A · Oct 28
£827 GBP
$1,101 USD
View
14 more retailers have this diamond
Prices start from £143 GBPSave up to £684 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
1.00ct Cushion
£143 GBP