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Cushion|Lab Grown|IGI

1.30ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG783655051

Shape and cutting style on the report: Modified rectangular cushion mixed cut

Certificate IGI LG783655051

Diamond specifications and retailer prices

From £577 GBP
$774 USD
As of November 1, 2026
Save £1,144 GBP (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,475 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.3ct lab-grown cushion diamond

This 1.3ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG783655051 or 783655051. Listed at 12 retailers as of October 31, 2026, with a 198% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783655051
Dimensions8.29 × 5.05 × 3.40 mm
L/W Ratio1.64
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.29 mm5.05 mm1.30 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783655051
Side View
Table 66.0%Crown 40.5°Girdle: MED-STKPavilion 40.5°Culet: LargeDepth 67.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,475 GBP|Low: £577 GBP|High: £5,052 GBP|Avg: £1,707 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 3£577 GBP
Retailer 9£730 GBP
Retailer 11£827 GBP
Retailer 10£845 GBP
Retailer 2£1,003 GBP
Retailer 6£1,214 GBP
Retailer 5£1,720 GBP
Retailer 12£2,043 GBP
Retailer 8£2,056 GBP
Retailer 4£2,361 GBP
MOH London£2,475 GBP
Retailer 7£3,629 GBP

43 data points across 12 retailers

12 retailers£577 GBP to £1,720 GBP

B+
Cheapest Retailer
-
£577 GBP
$774 USD
Final sale: no returns
B+
Retailer 2
-
£730 GBP
$980 USD
View
B
Retailer 3
-
£827 GBP
$1,110 USD
View
B
Retailer 4
-
£845 GBP
$1,134 USD
View
B
Retailer 5
-
£1,003 GBP
View
B
Retailer 6
-
£1,214 GBP
ZAR 26,311 ZAR
View
B
Retailer 7
-
£1,720 GBP
A$3,552 AUD
View
Retailer 8
-
£2,043 GBP
$2,741 USD
View
Price under review
Retailer 9
-
£2,056 GBP
View
Price under review
Retailer 10
-
£2,361 GBP
$3,168 USD
View
Price under review
Most Expensive
MOH London
LG783655051 · Nov 1
£2,475 GBP
View
Price under review
10 more retailers have this diamond
Prices start from £577 GBPSave up to £1,144 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.

B+
1.30ct Cushion
£577 GBP