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Round|Lab Grown|IGI

1.15ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG597374737

Shape and cutting style on the report: Round brilliant

Certificate IGI LG597374737

Diamond specifications and retailer prices

From $231 AUD
As of November 5, 2026
Save $1,247 AUD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,479 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.15ct lab-grown round diamond

This 1.15ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG597374737 or 597374737. Listed at 13 retailers as of November 5, 2026, with prices from $231 to $1,479, a $1,247 spread on the same certified stone. MOH London lists it at $1,479. 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

1.15
Carat
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597374737
Dimensions6.76 × 6.74 × 4.16 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
6.76 mm6.74 mm1.15 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597374737
Side View
Table 54.0%Crown 34.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.6%

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 5
Current: $1,479 AUD|Low: $223 AUD|High: $1,500 AUD|Avg: $615 AUD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 8$231 AUD
Retailer 12$269 AUD
Retailer 4$287 AUD
Retailer 9$287 AUD
Retailer 2$473 AUD
Retailer 10$520 AUD
Retailer 6$536 AUD
Retailer 5$563 AUD
Retailer 11$749 AUD
Retailer 7$976 AUD
Retailer 3$1,020 AUD
MOH London$1,479 AUD

44 data points across 12 retailers

13 retailers$231 AUD to $1,479 AUD

A
Cheapest Retailer
-
$231 AUD
A
Retailer 2
-
$269 AUD
View
A
Retailer 3
-
$284 AUD
View
Retailer 4
-
$287 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$287 AUD
View
A
Retailer 6
-
$473 AUD
View
B+
Retailer 7
-
$520 AUD
View
A
Retailer 8
-
$536 AUD
View
B+
Retailer 9
-
$563 AUD
View
B
Retailer 10
-
$749 AUD
View
B
Retailer 11
-
$976 AUD
View
B
Retailer 12
-
$1,020 AUD
View
Most Expensive
B
MOH London
LG597374737 · Nov 5
$1,479 AUD
£815 GBP
View
12 more retailers have this diamond
Prices start from $231 AUDSave up to $1,247 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
1.15ct Round
$231 AUD