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 $351 USD
€334 EUR
As of October 29, 2026
Save $612 USD (64%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $963 USD 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 $351 to $963, a $612 spread on the same certified stone. MOH London lists it at $963. 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
Color
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $963 USD|Low: $304 USD|High: $969 USD|Avg: $472 USD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 2$351 USD
Retailer 4$357 USD
Retailer 5$368 USD
Retailer 6$420 USD
Retailer 3$527 USD
MOH London$963 USD

16 data points across 6 retailers

6 retailers$351 USD to $963 USD

A
Cheapest Retailer
-
$351 USD
€334 EUR
A
Retailer 2
-
$357 USD
View
A
Retailer 3
-
$368 USD
View
Retailer 4
-
$420 USD
View
Price last confirmed 33 days ago
A
Retailer 5
-
$527 USD
View
Most Expensive
A
MOH London
LG733547134 · Oct 29
$963 USD
£758 GBP
View
5 more retailers have this diamond
Prices start from $351 USDSave up to $612 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
1.15ct Round
$351 USD