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Cushion|Lab Grown|IGI

3.00ct H SI1 Cushion Lab Grown Diamond

ID • H/SI1 • IGI LG789630414

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG789630414

Diamond specifications and retailer prices

From $594 USD
As of October 31, 2026
Save $2,153 USD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,747 USD at MOH London · As of November 1, 2026
View at MOH London

About this 3ct lab-grown cushion diamond

This 3ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG789630414 or 789630414. Listed at 10 retailers as of October 31, 2026, with prices from $594 to $2,747, a $2,153 spread on the same certified stone. MOH London lists it at $2,747. 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

3.00
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789630414
Dimensions11.44 × 7.34 × 4.51 mm
L/W Ratio1.56
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.44 mm7.34 mm3.00 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789630414
Side View
Table 60.0%Crown 32.8°Girdle: STK-THKPavilion 38°Culet: LargeDepth 61.4%

Caratlytics Score

How it works →
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: $2,747 USD|Low: $594 USD|High: $3,620 USD|Avg: $1,524 USD|-12.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 9$594 USD
Retailer 7$658 USD
Retailer 4$760 USD
Retailer 8$882 USD
Retailer 2$1,001 USD
Retailer 6$1,011 USD
Retailer 5$1,087 USD
Retailer 3$1,990 USD
Retailer 10$2,138 USD
MOH London$2,747 USD

22 data points across 10 retailers

10 retailers$594 USD to $2,747 USD

A
Cheapest Retailer
-
$594 USD
Final sale: no returns
Retailer 2
-
$658 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$760 USD
View
B+
Retailer 4
-
$882 USD
View
A
Retailer 5
-
$1,001 USD
€953 EUR
View
A
Retailer 6
-
$1,011 USD
View
A
Retailer 7
-
$1,087 USD
View
B
Retailer 8
-
$1,990 USD
View
B
Retailer 9
-
$2,138 USD
View
Most Expensive
B
MOH London
LG789630414 · Nov 1
$2,747 USD
£2,163 GBP
View
9 more retailers have this diamond
Prices start from $594 USDSave up to $2,153 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
3.00ct Cushion
$594 USD