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Cushion|Lab Grown|IGI

0.99ct D VVS1 Cushion Lab Grown Diamond

VG • D/VVS1 • IGI LG831688151

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831688151

Diamond specifications and retailer prices

From $653 AUD
$459 USD
As of October 30, 2026
Save $1,202 AUD (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,855 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.99ct lab-grown cushion diamond

This 0.99ct lab-grown cushion sits in the just-under-one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG831688151 or 831688151. Listed at 7 retailers as of October 29, 2026, with prices from $653 to $1,855, a $1,202 spread on the same certified stone. MOH London lists it at $1,855. 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

0.99
Carat
D
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831688151
Dimensions5.73 × 5.71 × 3.78 mm
L/W Ratio1.00
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
5.73 mm5.71 mm0.99 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831688151
Side View
Table 66.0%Crown 36°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 66.2%

Caratlytics Score

How it works →
A
Excellent
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 30
Current: $1,855 AUD|Low: $653 AUD|High: $1,855 AUD|Avg: $1,089 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 4$653 AUD
Retailer 2$747 AUD
Retailer 7$767 AUD
Retailer 3$881 AUD
Retailer 5$1,246 AUD
Retailer 6$1,554 AUD
MOH London$1,855 AUD

14 data points across 7 retailers

7 retailers$653 AUD to $1,855 AUD

A
Cheapest Retailer
-
$653 AUD
$459 USD
A
Retailer 2
-
$747 AUD
€500 EUR
View
B+
Retailer 3
-
$767 AUD
$539 USD
View
B+
Retailer 4
-
$881 AUD
£487 GBP
View
Retailer 5
-
$1,246 AUD
$875 USD
View
Price last confirmed 12 days ago
B
Retailer 6
-
$1,554 AUD
$1,091 USD
View
Most Expensive
B
MOH London
LG831688151 · Oct 29
$1,855 AUD
£1,026 GBP
View
6 more retailers have this diamond
Prices start from $653 AUDSave up to $1,202 AUD

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
0.99ct Cushion
$653 AUD