CaratHunter
Plans
Cushion|Lab Grown|IGI

1.52ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG681503677

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG681503677

Diamond specifications and retailer prices

From $308 AUD
$216 USD
As of November 1, 2026
Save $1,361 AUD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,669 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.52ct lab-grown cushion diamond

This 1.52ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG681503677 or 681503677. Listed at 10 retailers as of November 1, 2026, with prices from $308 to $1,669, a $1,361 spread on the same certified stone. Brilliant Earth lists it at $1,669. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.52
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681503677
Dimensions7.63 × 6.21 × 3.96 mm
L/W Ratio1.23
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.63 mm6.21 mm1.52 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681503677
Side View
Table 63.0%Crown 34.9°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 63.8%

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: Nov 1
Current: $1,669 AUD|Low: $308 AUD|High: $1,798 AUD|Avg: $857 AUD|-7.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 10$308 AUD
Retailer 8$345 AUD
Retailer 6$598 AUD
Retailer 2$618 AUD
Retailer 3$628 AUD
Retailer 4$664 AUD
Retailer 5$711 AUD
Retailer 9$1,213 AUD
Retailer 7$1,620 AUD
Brilliant Earth$1,669 AUD

43 data points across 10 retailers

10 retailers$308 AUD to $1,669 AUD

A
Cheapest Retailer
-
$308 AUD
$216 USD
Final sale: no returns
Retailer 2
-
$345 AUD
$242 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$598 AUD
$419 USD
View
A
Retailer 4
-
$618 AUD
£341 GBP
View
A
Retailer 5
-
$628 AUD
€419 EUR
View
A
Retailer 6
-
$664 AUD
$465 USD
View
A
Retailer 7
-
$711 AUD
$498 USD
View
B+
Retailer 8
-
$1,213 AUD
$850 USD
View
B
Retailer 9
-
$1,620 AUD
£894 GBP
View
Most Expensive
B
Brilliant Earth
13374708A · Nov 2
$1,669 AUD
$1,170 USD
View
9 more retailers have this diamond
Prices start from $308 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
1.52ct Cushion
$308 AUD