Cushion|Lab Grown|IGI

1.29ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG839670600

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839670600

Diamond specifications and retailer prices

From $220 USD
As of October 28, 2026
Save $831 USD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,151 USD at MOH London · As of October 19, 2026
View at MOH London

About this 1.29ct lab-grown cushion diamond

This 1.29ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839670600 or 839670600. Listed at 12 retailers as of October 28, 2026, with a 378% 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

1.29
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839670600
Dimensions5.42 × 5.42 × 3.74 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.42 mm5.42 mm1.29 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839670600
Side View
Table 65.0%Crown 40.5°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 69.0%

Caratlytics Score

How it works →
A+
Exceptional
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 28
Current: $1,151 USD|Low: $220 USD|High: $1,181 USD|Avg: $618 USD|-2.6%
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 29, 2026
Retailer 9$220 USD
Retailer 7$280 USD
Retailer 3$330 USD
Retailer 6$402 USD
Retailer 12$417 USD
Retailer 2$445 USD
Retailer 4$603 USD
Retailer 11$646 USD
Retailer 10$837 USD
Retailer 8$1,030 USD
Retailer 5$1,051 USD
MOH London$1,151 USD

20 data points across 12 retailers

12 retailers$220 USD to $1,051 USD

A+
Cheapest Retailer
-
$220 USD
Final sale: no returns
A
Retailer 2
-
$280 USD
£220 GBP
View
B+
Retailer 3
-
$330 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$402 USD
€383 EUR
View
A
Retailer 5
-
$417 USD
ZAR 6,733 ZAR
View
Price last confirmed 11 days ago
A
Retailer 6
-
$445 USD
£351 GBP
View
A
Retailer 7
-
$603 USD
A$927 AUD
View
Price last confirmed 11 days ago
A
Retailer 8
-
$646 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$837 USD
View
B+
Retailer 10
-
$1,030 USD
View
B
Retailer 11
-
$1,051 USD
A$1,617 AUD
View
Most Expensive
B
MOH London
LG839670600 · Oct 19
$1,151 USD
£906 GBP
View
Price last confirmed 10 days ago
11 more retailers have this diamond
Prices start from $220 USDSave up to $831 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.

A+
1.29ct Cushion
$220 USD