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Cushion|Lab Grown|IGI

1.85ct F VS2 Cushion Lab Grown Diamond

EX • F/VS2 • IGI LG634478591

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG634478591

Diamond specifications and retailer prices

From $671 AUD
$471 USD
As of November 1, 2026
Save $1,508 AUD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,178 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.85ct lab-grown cushion diamond

This 1.85ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG634478591 or 634478591. Listed at 12 retailers as of October 31, 2026, with prices from $671 to $2,178, a $1,508 spread on the same certified stone. Brilliant Earth lists it at $2,178. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.85
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634478591
Dimensions7.22 × 7.17 × 4.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.22 mm7.17 mm1.85 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634478591
Side View
Table 63.0%Crown 34.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 66.4%

Caratlytics Score

How it works →
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: Nov 1
Current: $2,178 AUD|Low: $394 AUD|High: $2,335 AUD|Avg: $1,157 AUD|-5.0%
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
November 2, 2026
Retailer 9$394 AUD
Retailer 10$485 AUD
Retailer 11$671 AUD
Retailer 6$692 AUD
Retailer 2$734 AUD
Retailer 13$880 AUD
Retailer 3$979 AUD
Retailer 5$1,341 AUD
Retailer 4$1,432 AUD
Retailer 7$1,586 AUD
Retailer 8$1,587 AUD
Retailer 12$1,602 AUD
Brilliant Earth$2,178 AUD

39 data points across 13 retailers

12 retailers$671 AUD to $2,178 AUD

Retailer 1
-
$394 AUD
$277 USD
Price last confirmed 8 days ago
Retailer 2
-
$485 AUD
£268 GBP
View
Price last confirmed 16 days ago
B+
Retailer 3
-
$671 AUD
$471 USD
View
A
Retailer 4
-
$692 AUD
€463 EUR
View
A
Retailer 5
-
$734 AUD
£406 GBP
View
A
Retailer 6
-
$880 AUD
$618 USD
View
A
Retailer 7
-
$979 AUD
$688 USD
View
Retailer 8
-
$1,341 AUD
$942 USD
View
Price last confirmed 14 days ago
B+
Retailer 9
-
$1,586 AUD
£877 GBP
View
B+
Retailer 10
-
$1,587 AUD
$1,115 USD
View
B+
Retailer 11
-
$1,602 AUD
$1,125 USD
View
Most Expensive
B
Brilliant Earth
10244515A · Oct 31
$2,178 AUD
$1,530 USD
View
11 more retailers have this diamond
Prices start from $671 AUDSave up to $1,508 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
1.85ct Cushion
$671 AUD