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 $388 USD
As of October 30, 2026
Save $1,293 USD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,975 USD 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
Color
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 30
Current: $1,975 USD|Low: $276 USD|High: $3,670 USD|Avg: $1,115 USD|-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 30, 2026
Retailer 3$388 USD
Retailer 11$430 USD
Retailer 9$650 USD
Retailer 6$690 USD
Retailer 10$691 USD
Retailer 2$772 USD
Retailer 13$821 USD
Retailer 5$981 USD
Retailer 8$1,068 USD
Retailer 12$1,378 USD
Retailer 7$1,681 USD
Rare Carat$1,975 USD
Retailer 4$2,780 USD

40 data points across 13 retailers

13 retailers$388 USD to $1,681 USD

A
Cheapest Retailer
-
$388 USD
Final sale: no returns
Retailer 2
-
$430 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$650 USD
View
A
Retailer 4
-
$690 USD
€657 EUR
View
B+
Retailer 5
-
$691 USD
View
A
Retailer 6
-
$772 USD
£608 GBP
View
A
Retailer 7
-
$821 USD
View
A
Retailer 8
-
$981 USD
View
B+
Retailer 9
-
$1,068 USD
View
B+
Retailer 10
-
$1,378 USD
SGD 1,862 SGD
View
B+
Retailer 11
-
$1,424 USD
View
B+
Retailer 12
-
$1,681 USD
£1,324 GBP
View
Most Expensive
Rare Carat
30R770681595 · Oct 19
$1,975 USD
View
Price last confirmed 12 days ago
12 more retailers have this diamond
Prices start from $388 USDSave up to $1,293 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
3.03ct Cushion
$388 USD