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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 $865 AUD
As of November 6, 2026
Save $3,122 AUD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,987 AUD at MOH London · As of November 5, 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 November 5, 2026, with prices from $865 to $3,987, a $3,122 spread on the same certified stone. MOH London lists it at $3,987. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,987 AUD|Low: $865 AUD|High: $5,269 AUD|Avg: $2,186 AUD|-12.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$865 AUD
Retailer 7$958 AUD
Retailer 4$1,106 AUD
Retailer 8$1,284 AUD
Retailer 2$1,451 AUD
Retailer 6$1,471 AUD
Retailer 5$1,582 AUD
Retailer 3$2,896 AUD
Retailer 10$3,110 AUD
MOH London$3,987 AUD

22 data points across 10 retailers

10 retailers$865 AUD to $3,987 AUD

A
Cheapest Retailer
-
$865 AUD
Final sale: no returns
Retailer 2
-
$958 AUD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$1,106 AUD
View
B+
Retailer 4
-
$1,284 AUD
View
A
Retailer 5
-
$1,451 AUD
View
A
Retailer 6
-
$1,471 AUD
View
A
Retailer 7
-
$1,582 AUD
View
B+
Retailer 8
-
$2,896 AUD
View
B
Retailer 9
-
$3,110 AUD
View
Most Expensive
B
MOH London
LG789630414 · Nov 5
$3,987 AUD
£2,157 GBP
View
9 more retailers have this diamond
Prices start from $865 AUDSave up to $3,122 AUD

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
$865 AUD