CaratHunter
Plans
Cushion|Lab Grown|IGI

1.48ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG777630862

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

Certificate IGI LG777630862

Diamond specifications and retailer prices

From $419 AUD
HK$2,300 HKD
As of October 31, 2026
Save $1,054 AUD (72%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,473 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.48ct lab-grown cushion diamond

This 1.48ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG777630862 or 777630862. Listed at 8 retailers as of October 29, 2026, with prices from $419 to $1,473, a $1,054 spread on the same certified stone. MOH London lists it at $1,473. 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

1.48
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777630862
Dimensions6.80 × 6.78 × 4.33 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.80 mm6.78 mm1.48 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777630862
Side View
Table 59.0%Crown 35.9°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 63.9%

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: $1,473 AUD|Low: $419 AUD|High: $1,473 AUD|Avg: $777 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 7$419 AUD
Retailer 4$439 AUD
Retailer 2$616 AUD
Retailer 8$632 AUD
Retailer 3$668 AUD
Retailer 5$727 AUD
Retailer 6$903 AUD
Retailer 9$1,308 AUD
MOH London$1,473 AUD

4 data points across 9 retailers

8 retailers$419 AUD to $1,473 AUD

A
Cheapest Retailer
-
$419 AUD
HK$2,300 HKD
A
Retailer 2
-
$439 AUD
£243 GBP
View
A
Retailer 3
-
$616 AUD
€412 EUR
View
A
Retailer 4
-
$632 AUD
$444 USD
View
A
Retailer 5
-
$668 AUD
£370 GBP
View
A
Retailer 6
-
$727 AUD
$511 USD
View
B+
Retailer 7
-
$903 AUD
$634 USD
View
Most Expensive
B
MOH London
LG777630862 · Oct 29
$1,473 AUD
£815 GBP
View
7 more retailers have this diamond
Prices start from $419 AUDSave up to $1,054 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
1.48ct Cushion
$419 AUD