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Cushion|Lab Grown|IGI

1.55ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG733585633

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

Certificate IGI LG733585633

Diamond specifications and retailer prices

From $259 USD
As of October 31, 2026
Save $1,100 USD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,920 USD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG733585633 or 733585633. Listed at 18 retailers as of October 30, 2026, with a 425% 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

1.55
Carat
D
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733585633
Dimensions6.57 × 6.57 × 4.41 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
6.57 mm6.57 mm1.55 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733585633
Side View
Table 59.0%Crown 35.1°Girdle: MED-THKPavilion 36.9°Culet: NoneDepth 67.1%

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 31
Current: $1,920 USD|Low: $259 USD|High: $1,920 USD|Avg: $829 USD
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
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 14$259 USD
Retailer 7$290 USD
Retailer 17$388 USD
Retailer 2$482 USD
Retailer 4$498 USD
Retailer 15$541 USD
Retailer 8$543 USD
Retailer 5$676 USD
Retailer 11$697 USD
Retailer 16$930 USD
Retailer 13$975 USD
Retailer 12$1,034 USD
Retailer 10$1,128 USD
Retailer 3$1,168 USD
Retailer 9$1,302 USD
Retailer 18$1,359 USD
Retailer 6$1,520 USD
Brilliant Earth$1,920 USD

44 data points across 18 retailers

18 retailers$259 USD to $1,359 USD

A
Cheapest Retailer
-
$259 USD
Final sale: no returns
A
Retailer 2
-
$290 USD
View
B+
Retailer 3
-
$388 USD
View
A
Retailer 4
-
$482 USD
€459 EUR
View
A
Retailer 5
-
$498 USD
ZAR 8,050 ZAR
View
A
Retailer 6
-
$541 USD
£426 GBP
View
A
Retailer 7
-
$543 USD
View
A
Retailer 8
-
$676 USD
A$1,040 AUD
View
A
Retailer 9
-
$697 USD
View
B+
Retailer 10
-
$930 USD
SGD 1,257 SGD
View
B+
Retailer 11
-
$975 USD
View
B+
Retailer 12
-
$1,034 USD
View
B+
Retailer 13
-
$1,128 USD
£888 GBP
View
B+
Retailer 14
-
$1,168 USD
£920 GBP
View
B
Retailer 15
-
$1,302 USD
View
B
Retailer 16
-
$1,359 USD
A$2,090 AUD
View
Retailer 17
-
$1,520 USD
View
Price last confirmed 12 days ago
Most Expensive
Brilliant Earth
17562725A · Oct 23
$1,920 USD
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from $259 USDSave up to $1,100 USD

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
$259 USD