CaratHunter
Plans
Cushion|Lab Grown|IGI

3.05ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG753502671

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

Certificate IGI LG753502671

Diamond specifications and retailer prices

From $1,079 SGD
$844 USD
As of October 30, 2026
Save $1,439 SGD (57%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,518 SGD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG753502671 or 753502671. Listed at 3 retailers as of October 28, 2026, with prices from $1,079 to $2,518, a $1,439 spread on the same certified stone. Rare Carat lists it at $2,518. 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

3.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG753502671
Dimensions8.55 × 8.41 × 5.23 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.55 mm8.41 mm3.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG753502671
Side View
Table 61.0%Crown 36.5°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 62.2%

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: $2,518 SGD|Low: $519 SGD|High: $5,497 SGD|Avg: $2,228 SGD|-3.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 19, 2026
Retailer 6$519 SGD
Retailer 3$1,079 SGD
Retailer 8$1,286 SGD
Retailer 4$1,352 SGD
Retailer 7$1,393 SGD
Retailer 2$2,204 SGD
Rare Carat$2,518 SGD
Retailer 5$4,168 SGD
Retailer 9$5,497 SGD

4 data points across 9 retailers

3 retailers$1,079 SGD to $2,518 SGD

A
Cheapest Retailer
-
$1,079 SGD
$844 USD
B+
Retailer 2
-
$2,204 SGD
$1,724 USD
View
Most Expensive
B
Rare Carat
LAX06-080D · Oct 28
$2,518 SGD
$1,970 USD
View
2 more retailers have this diamond
Prices start from $1,079 SGDSave up to $1,439 SGD

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
3.05ct Cushion
$1,079 SGD