Cushion|Lab Grown|IGI

3.01ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG517200639

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG517200639

Diamond specifications and retailer prices

From $890 AUD
$624 USD
As of November 1, 2026
Save $3,392 AUD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,282 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 3.01ct lab-grown cushion diamond

This 3.01ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG517200639 or 517200639. Listed at 12 retailers as of November 1, 2026, with prices from $890 to $4,282, a $3,392 spread on the same certified stone. MOH London lists it at $4,282. 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

3.01
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517200639
Dimensions8.66 × 8.31 × 5.60 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.66 mm8.31 mm3.01 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517200639
Side View
Table 65.0%Crown 31.9°Girdle: STK-THKPavilion 42°Culet: NoneDepth 67.4%

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: Nov 1
Current: $4,282 AUD|Low: $849 AUD|High: $4,335 AUD|Avg: $2,186 AUD|+8.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10$890 AUD
Retailer 6$986 AUD
Retailer 4$1,142 AUD
Retailer 9$1,380 AUD
Retailer 7$1,521 AUD
Retailer 2$1,539 AUD
Retailer 8$1,594 AUD
Retailer 3$3,199 AUD
Retailer 11$3,331 AUD
Retailer 5$3,753 AUD
MOH London$4,282 AUD

42 data points across 11 retailers

12 retailers$890 AUD to $4,282 AUD

A
Cheapest Retailer
-
$890 AUD
$624 USD
Final sale: no returns
Retailer 2
-
$986 AUD
$691 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,142 AUD
$800 USD
View
A
Retailer 4
-
$1,380 AUD
$967 USD
View
A
Retailer 5
-
$1,521 AUD
$1,066 USD
View
A
Retailer 6
-
$1,539 AUD
£849 GBP
View
B+
Retailer 7
-
$1,594 AUD
$1,117 USD
View
B
Retailer 8
-
$3,050 AUD
HK$16,700 HKD
View
B
Retailer 9
-
$3,199 AUD
$2,242 USD
View
B
Retailer 10
-
$3,331 AUD
$2,335 USD
View
B
Retailer 11
-
$3,753 AUD
$2,630 USD
View
Most Expensive
B
MOH London
LG517200639 · Nov 1
$4,282 AUD
£2,363 GBP
View
11 more retailers have this diamond
Prices start from $890 AUDSave up to $3,392 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
3.01ct Cushion
$890 AUD