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Cushion|Lab Grown|IGI

0.99ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG801682660

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG801682660

Diamond specifications and retailer prices

From $501 AUD
£276 GBP
As of October 27, 2026
Save $1,025 AUD (67%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,771 AUD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 0.99ct lab-grown cushion diamond

This 0.99ct lab-grown cushion sits in the just-under-one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG801682660 or 801682660. Listed at 14 retailers as of October 26, 2026, with a 205% 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

0.99
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801682660
Dimensions6.95 × 5.00 × 3.22 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.95 mm5.00 mm0.99 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801682660
Side View
Table 57.0%Crown 42.4°Girdle: THK-VTKPavilion 39.3°Culet: NoneDepth 64.4%

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 27
Current: $623 AUD|Low: $341 AUD|High: $1,941 AUD|Avg: $890 AUD|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
October 31, 2026
Retailer 4$341 AUD
Retailer 9$501 AUD
Retailer 5$514 AUD
Retailer 6$519 AUD
Retailer 1$623 AUD
Retailer 12$677 AUD
Retailer 10$700 AUD
Retailer 2$820 AUD
Retailer 7$828 AUD
Retailer 8$950 AUD
Retailer 13$966 AUD
Retailer 3$1,298 AUD
Retailer 11$1,526 AUD
Reve Diamonds$1,771 AUD

40 data points across 14 retailers

14 retailers$501 AUD to $1,526 AUD

A
Cheapest Retailer
-
$501 AUD
£276 GBP
A
Retailer 2
-
$514 AUD
$360 USD
View
A
Retailer 3
-
$519 AUD
$364 USD
View
A
Retailer 4
-
$623 AUD
€416 EUR
View
Retailer 5
-
$677 AUD
ZAR 7,663 ZAR
View
Price last confirmed 10 days ago
Retailer 6
-
$687 AUD
£379 GBP
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$700 AUD
£386 GBP
View
B+
Retailer 8
-
$820 AUD
$575 USD
View
B+
Retailer 9
-
$828 AUD
$580 USD
View
B+
Retailer 10
-
$950 AUD
View
B+
Retailer 11
-
$966 AUD
$677 USD
View
B
Retailer 12
-
$1,298 AUD
$910 USD
View
B
Retailer 13
-
$1,526 AUD
£842 GBP
View
Most Expensive
Reve Diamonds
824C3A319 · Oct 25
$1,771 AUD
$1,241 USD
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from $501 AUDSave up to $1,025 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
$501 AUD