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Cushion|Lab Grown|IGI

1.78ct H VVS2 Cushion Lab Grown Diamond

EX • H/VVS2 • IGI LG728521939

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

Certificate IGI LG728521939

Diamond specifications and retailer prices

From $921 AUD
€616 EUR
As of October 31, 2026
Save $1,464 AUD (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,385 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.78ct lab-grown cushion diamond

This 1.78ct lab-grown cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG728521939 or 728521939. Listed at 8 retailers as of October 31, 2026, with prices from $921 to $2,385, a $1,464 spread on the same certified stone. MOH London lists it at $2,385. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
H
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728521939
Dimensions6.94 × 6.90 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.94 mm6.90 mm1.78 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728521939
Side View
Table 61.0%Crown 45.5°Girdle: MED-THKPavilion 31.9°Culet: NoneDepth 65.6%

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 31
Current: $2,385 AUD|Low: $729 AUD|High: $2,414 AUD|Avg: $1,301 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10$729 AUD
Retailer 8$811 AUD
Retailer 2$921 AUD
Retailer 4$961 AUD
Retailer 5$975 AUD
Retailer 6$988 AUD
Retailer 7$1,595 AUD
Retailer 3$1,673 AUD
Retailer 9$1,974 AUD
MOH London$2,385 AUD

19 data points across 10 retailers

8 retailers$921 AUD to $2,385 AUD

Retailer 1
-
$729 AUD
HK$4,000 HKD
Price last confirmed 58 days ago
A
Retailer 2
-
$921 AUD
€616 EUR
View
A
Retailer 3
-
$961 AUD
$675 USD
View
A
Retailer 4
-
$975 AUD
$685 USD
View
A
Retailer 5
-
$988 AUD
$694 USD
View
B+
Retailer 6
-
$1,673 AUD
$1,175 USD
View
B
Retailer 7
-
$1,974 AUD
$1,387 USD
View
Most Expensive
B
MOH London
LG728521939 · Nov 1
$2,385 AUD
£1,319 GBP
View
7 more retailers have this diamond
Prices start from $921 AUDSave up to $1,464 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
1.78ct Cushion
$921 AUD