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Cushion|Lab Grown|IGI

1.55ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG797698759

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG797698759

Diamond specifications and retailer prices

From $510 USD
As of October 29, 2026
Save $1,029 USD (67%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,539 USD at With Clarity · As of October 28, 2026
View at With Clarity

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG797698759 or 797698759. Listed at 10 retailers as of October 28, 2026, with prices from $510 to $1,539, a $1,029 spread on the same certified stone. With Clarity lists it at $1,539. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797698759
Dimensions8.57 × 5.89 × 3.98 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.57 mm5.89 mm1.55 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797698759
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 67.6%

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 29
Current: $583 USD|Low: $366 USD|High: $1,756 USD|Avg: $1,168 USD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 29, 2026
Retailer 7$366 USD
Retailer 6$510 USD
Retailer 1$583 USD
Retailer 9$691 USD
Retailer 11$792 USD
Retailer 5$823 USD
Retailer 8$1,265 USD
Retailer 4$1,426 USD
Retailer 3$1,434 USD
Retailer 10$1,471 USD
With Clarity$1,539 USD
Retailer 2$1,756 USD

22 data points across 12 retailers

10 retailers$510 USD to $1,539 USD

A
Retailer 1
-
$366 USD
£288 GBP
Price last confirmed 12 days ago
A
Retailer 2
-
$510 USD
View
A
Retailer 3
-
$583 USD
€555 EUR
View
A
Retailer 4
-
$691 USD
View
A
Retailer 5
-
$823 USD
A$1,266 AUD
View
A
Retailer 6
-
$1,265 USD
View
B+
Retailer 7
-
$1,410 USD
View
A
Retailer 8
-
$1,426 USD
£1,123 GBP
View
B+
Retailer 9
-
$1,471 USD
SGD 1,988 SGD
View
Price last confirmed 17 days ago
Most Expensive
B+
With Clarity
797698759 · Oct 28
$1,539 USD
View
9 more retailers have this diamond
Prices start from $510 USDSave up to $1,029 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
$510 USD