Cushion|Lab Grown|IGI

1.29ct D VVS1 Cushion Lab Grown Diamond

D/VVS1 • IGI LG845636817

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG845636817

Diamond specifications and retailer prices

From $872 USD
As of November 4, 2026
Save $928 USD (52%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,800 USD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

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) and certified by IGI LG845636817 or 845636817. Listed at 4 retailers as of November 4, 2026, with prices from $872 to $1,800, a $928 spread on the same certified stone. Helzberg Diamonds lists it at $1,800. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.29
Carat
D
Color
VVS1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845636817
Dimensions7.92 × 5.57 × 3.72 mm
L/W Ratio1.42
Girdle conditionFaceted
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
7.92 mm5.57 mm1.29 ctD / VVS1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845636817
Side View
Table 60.0%Crown 34.9°Girdle: MED-THKPavilion 37.8°Culet: NoneDepth 66.8%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $1,800 USD|Low: $872 USD|High: $1,800 USD|Avg: $1,175 USD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 4$872 USD
Retailer 3$909 USD
Retailer 2$1,065 USD
Helzberg Diamonds$1,800 USD

2 data points across 4 retailers

4 retailers$872 USD to $1,800 USD

B+
Cheapest Retailer
-
$872 USD
B+
Retailer 2
-
$909 USD
View
B
Retailer 3
-
$1,065 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKLMJMOHN · Nov 4
$1,800 USD
View
3 more retailers have this diamond
Prices start from $872 USDSave up to $928 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+
1.29ct Cushion
$872 USD