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Cushion|Lab Grown|IGI

1.65ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG698513789

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG698513789

Diamond specifications and retailer prices

From $413 AUD
$290 USD
As of October 30, 2026
Save $2,762 AUD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,175 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.65ct lab-grown cushion diamond

This 1.65ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG698513789 or 698513789. Listed at 15 retailers as of October 29, 2026, with prices from $413 to $3,175, a $2,762 spread on the same certified stone. Brilliant Earth lists it at $3,175. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG698513789
Dimensions6.73 × 6.73 × 4.60 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
6.73 mm6.73 mm1.65 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG698513789
Side View
Table 64.0%Crown 35.9°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 68.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,175 AUD|Low: $413 AUD|High: $3,445 AUD|Avg: $1,179 AUD|-7.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 5$413 AUD
Retailer 3$457 AUD
Retailer 15$615 AUD
Retailer 11$619 AUD
Retailer 10$786 AUD
Retailer 8$825 AUD
Retailer 2$874 AUD
Retailer 4$876 AUD
Retailer 12$1,064 AUD
Retailer 14$1,127 AUD
Retailer 6$1,544 AUD
Retailer 13$1,566 AUD
Retailer 9$1,844 AUD
Retailer 7$1,968 AUD
Brilliant Earth$3,175 AUD

41 data points across 15 retailers

15 retailers$413 AUD to $3,175 AUD

A
Cheapest Retailer
-
$413 AUD
$290 USD
Final sale: no returns
A
Retailer 2
-
$457 AUD
$321 USD
View
B+
Retailer 3
-
$615 AUD
$432 USD
View
A
Retailer 4
-
$619 AUD
$435 USD
View
A
Retailer 5
-
$786 AUD
ZAR 8,920 ZAR
View
A
Retailer 6
-
$825 AUD
€552 EUR
View
A
Retailer 7
-
$874 AUD
£483 GBP
View
A
Retailer 8
-
$876 AUD
$615 USD
View
B+
Retailer 9
-
$1,064 AUD
View
B+
Retailer 10
-
$1,127 AUD
$792 USD
View
B
Retailer 11
-
$1,544 AUD
$1,084 USD
View
Retailer 12
-
$1,566 AUD
$1,100 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$1,844 AUD
£1,020 GBP
View
B
Retailer 14
-
$1,968 AUD
$1,382 USD
View
Most Expensive
B
Brilliant Earth
21560026A · Oct 29
$3,175 AUD
$2,230 USD
View
14 more retailers have this diamond
Prices start from $413 AUDSave up to $2,762 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
1.65ct Cushion
$413 AUD