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 $294 USD
HK$2,300 HKD
As of October 30, 2026
Save $741 USD (72%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,035 USD 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 7 retailers as of October 29, 2026, with prices from $294 to $1,035, a $741 spread on the same certified stone. MOH London lists it at $1,035. 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
Color
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 30
Current: $1,035 USD|Low: $294 USD|High: $1,035 USD|Avg: $540 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6$294 USD
Retailer 2$308 USD
Retailer 8$396 USD
Retailer 7$444 USD
Retailer 3$473 USD
Retailer 4$511 USD
Retailer 5$634 USD
Retailer 9$919 USD
MOH London$1,035 USD

3 data points across 9 retailers

7 retailers$294 USD to $1,035 USD

A
Cheapest Retailer
-
$294 USD
HK$2,300 HKD
A
Retailer 2
-
$308 USD
£243 GBP
View
A
Retailer 3
-
$444 USD
View
A
Retailer 4
-
$473 USD
£373 GBP
View
A
Retailer 5
-
$511 USD
View
B+
Retailer 6
-
$634 USD
View
Most Expensive
B
MOH London
LG777630862 · Oct 29
$1,035 USD
£815 GBP
View
6 more retailers have this diamond
Prices start from $294 USDSave up to $741 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
1.48ct Cushion
$294 USD