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 $830 AUD
€555 EUR
As of October 29, 2026
Save $1,361 AUD (62%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,191 AUD at With Clarity · As of October 31, 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 29, 2026, with prices from $830 to $2,191, a $1,361 spread on the same certified stone. With Clarity lists it at $2,191. 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
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

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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 29
Current: $1,801 AUD|Low: $521 AUD|High: $2,500 AUD|Avg: $1,659 AUD|+143.3%
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 31, 2026
Retailer 7$521 AUD
Retailer 4$830 AUD
Retailer 9$984 AUD
Retailer 11$1,127 AUD
Retailer 6$1,171 AUD
Retailer 1$1,801 AUD
Retailer 8$1,801 AUD
Retailer 5$2,030 AUD
Retailer 3$2,041 AUD
Retailer 10$2,094 AUD
With Clarity$2,191 AUD
Retailer 2$2,500 AUD

23 data points across 12 retailers

10 retailers$830 AUD to $2,191 AUD

Retailer 1
-
$521 AUD
£288 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
$830 AUD
€555 EUR
View
A
Retailer 3
-
$984 AUD
$691 USD
View
A
Retailer 4
-
$1,171 AUD
View
A
Retailer 5
-
$1,801 AUD
$1,265 USD
View
B+
Retailer 6
-
$1,801 AUD
$1,265 USD
View
B+
Retailer 7
-
$2,007 AUD
$1,410 USD
View
A
Retailer 8
-
$2,030 AUD
£1,123 GBP
View
Retailer 9
-
$2,094 AUD
SGD 1,988 SGD
View
Price last confirmed 19 days ago
Most Expensive
B+
With Clarity
797698759 · Oct 31
$2,191 AUD
$1,539 USD
View
9 more retailers have this diamond
Prices start from $830 AUDSave up to $1,361 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
$830 AUD