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Round|Lab Grown|IGI

1.15ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG733547134

Shape and cutting style on the report: Round brilliant

Certificate IGI LG733547134

Diamond specifications and retailer prices

From $499 AUD
€334 EUR
As of October 29, 2026
Save $871 AUD (64%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,370 AUD at MOH London · As of October 29, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG733547134 or 733547134. Listed at 6 retailers as of October 29, 2026, with prices from $499 to $1,370, a $871 spread on the same certified stone. MOH London lists it at $1,370. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733547134
Dimensions6.73 × 6.69 × 4.11 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.73 mm6.69 mm1.15 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733547134
Side View
Table 61.0%Crown 35°Girdle: MediumPavilion 41°Culet: NoneDepth 61.2%

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 29
Current: $1,370 AUD|Low: $433 AUD|High: $1,379 AUD|Avg: $673 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 2$499 AUD
Retailer 4$508 AUD
Retailer 5$524 AUD
Retailer 6$598 AUD
Retailer 3$750 AUD
MOH London$1,370 AUD

16 data points across 6 retailers

6 retailers$499 AUD to $1,370 AUD

A
Cheapest Retailer
-
$499 AUD
€334 EUR
A
Retailer 2
-
$508 AUD
$357 USD
View
A
Retailer 3
-
$524 AUD
$368 USD
View
Retailer 4
-
$598 AUD
$420 USD
View
Price last confirmed 34 days ago
A
Retailer 5
-
$750 AUD
$527 USD
View
Most Expensive
A
MOH London
LG733547134 · Oct 29
$1,370 AUD
£758 GBP
View
5 more retailers have this diamond
Prices start from $499 AUDSave up to $871 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
$499 AUD