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 $774 USD
As of October 30, 2026
Save $855 USD (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,339 USD at MOH London · As of October 29, 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 29, 2026, with a 110% 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
Color
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: Oct 30
Current: $3,339 USD|Low: $609 USD|High: $6,780 USD|Avg: $2,303 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3$774 USD
Retailer 9$980 USD
Retailer 11$1,110 USD
Retailer 10$1,134 USD
Retailer 2$1,358 USD
Retailer 5$1,629 USD
Retailer 7$2,307 USD
Retailer 12$2,741 USD
Retailer 8$2,758 USD
Retailer 4$3,168 USD
MOH London$3,339 USD
Retailer 6$4,870 USD

43 data points across 12 retailers

12 retailers$774 USD to $1,629 USD

B+
Cheapest Retailer
-
$774 USD
Final sale: no returns
B+
Retailer 2
-
$980 USD
View
B
Retailer 3
-
$1,110 USD
View
B
Retailer 4
-
$1,134 USD
View
B
Retailer 5
-
$1,358 USD
£1,069 GBP
View
B
Retailer 6
-
$1,629 USD
ZAR 26,311 ZAR
View
Retailer 7
-
$2,307 USD
A$3,549 AUD
View
Price last confirmed 9 days ago
Retailer 8
-
$2,741 USD
View
Price under review
Retailer 9
-
$2,758 USD
£2,172 GBP
View
Price under review
Retailer 10
-
$3,168 USD
View
Price under review
Most Expensive
MOH London
LG783655051 · Oct 29
$3,339 USD
£2,629 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $774 USDSave up to $855 USD

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
$774 USD