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Cushion|Lab Grown|IGI

1.55ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG837680978

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837680978

Diamond specifications and retailer prices

From $440 AUD
£243 GBP
As of October 24, 2026
Save $1,318 AUD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,758 AUD at Reve Diamonds · As of October 23, 2026
View at Reve Diamonds

About this 1.55ct lab-grown cushion diamond

This 1.55ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837680978 or 837680978. Listed at 10 retailers as of October 23, 2026, with prices from $440 to $1,758, a $1,318 spread on the same certified stone. Reve Diamonds lists it at $1,758. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837680978
Dimensions7.92 × 6.10 × 4.22 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm6.10 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837680978
Side View
Table 63.0%Crown 33.2°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 69.2%

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: Oct 24
Current: $1,022 AUD|Low: $333 AUD|High: $1,802 AUD|Avg: $905 AUD|+4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 26, 2026
Retailer 9$339 AUD
Retailer 5$440 AUD
Retailer 3$530 AUD
Retailer 7$636 AUD
Retailer 4$671 AUD
Retailer 8$754 AUD
Retailer 6$879 AUD
Retailer 1$1,022 AUD
Retailer 10$1,284 AUD
Retailer 2$1,530 AUD
Reve Diamonds$1,758 AUD

14 data points across 11 retailers

10 retailers$440 AUD to $1,758 AUD

A
Cheapest Retailer
-
$440 AUD
£243 GBP
B+
Retailer 2
-
$530 AUD
$372 USD
View
A
Retailer 3
-
$636 AUD
ZAR 7,215 ZAR
View
A
Retailer 4
-
$671 AUD
£371 GBP
View
A
Retailer 5
-
$754 AUD
$530 USD
View
A
Retailer 6
-
$879 AUD
View
B+
Retailer 7
-
$1,022 AUD
$718 USD
View
B+
Retailer 8
-
$1,284 AUD
$902 USD
View
B
Retailer 9
-
$1,530 AUD
$1,075 USD
View
Most Expensive
B
Reve Diamonds
427B8B826 · Oct 23
$1,758 AUD
$1,235 USD
View
9 more retailers have this diamond
Prices start from $440 AUDSave up to $1,318 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
1.55ct Cushion
$440 AUD