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Cushion|Lab Grown|IGI

3.03ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG770681595

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG770681595

Diamond specifications and retailer prices

From $496 SGD
$388 USD
As of October 31, 2026
Save $1,654 SGD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,525 SGD at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 3.03ct lab-grown cushion diamond

This 3.03ct 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 LG770681595 or 770681595. Listed at 13 retailers as of October 25, 2026, with a 333% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.03
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770681595
Dimensions11.00 × 7.25 × 4.70 mm
L/W Ratio1.52
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.00 mm7.25 mm3.03 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770681595
Side View
Table 61.0%Crown 40.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 64.8%

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 31
Current: $2,525 SGD|Low: $353 SGD|High: $4,692 SGD|Avg: $1,425 SGD|-3.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 3$496 SGD
Retailer 11$550 SGD
Retailer 9$831 SGD
Retailer 6$882 SGD
Retailer 10$883 SGD
Retailer 2$987 SGD
Retailer 13$1,050 SGD
Retailer 5$1,254 SGD
Retailer 8$1,365 SGD
Retailer 12$1,761 SGD
Retailer 7$2,150 SGD
Rare Carat$2,525 SGD
Retailer 4$3,554 SGD

41 data points across 13 retailers

13 retailers$496 SGD to $2,150 SGD

A
Cheapest Retailer
-
$496 SGD
$388 USD
Final sale: no returns
Retailer 2
-
$550 SGD
$430 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$831 SGD
$650 USD
View
A
Retailer 4
-
$882 SGD
€657 EUR
View
B+
Retailer 5
-
$883 SGD
$691 USD
View
A
Retailer 6
-
$987 SGD
£608 GBP
View
A
Retailer 7
-
$1,050 SGD
$821 USD
View
A
Retailer 8
-
$1,254 SGD
$981 USD
View
B+
Retailer 9
-
$1,365 SGD
$1,068 USD
View
B+
Retailer 10
-
$1,761 SGD
View
B+
Retailer 11
-
$1,820 SGD
$1,424 USD
View
B+
Retailer 12
-
$2,150 SGD
£1,324 GBP
View
Most Expensive
Rare Carat
30R770681595 · Oct 19
$2,525 SGD
$1,975 USD
View
Price last confirmed 12 days ago
12 more retailers have this diamond
Prices start from $496 SGDSave up to $1,654 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
3.03ct Cushion
$496 SGD