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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 $162 USD
As of November 1, 2026
Save $876 USD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,038 USD at MOH London · As of November 1, 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 12 retailers as of November 1, 2026, with prices from $162 to $1,038, a $876 spread on the same certified stone. MOH London lists it at $1,038. 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
Color
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

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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: $1,038 USD|Low: $156 USD|High: $1,050 USD|Avg: $423 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6$162 USD
Retailer 10$188 USD
Retailer 3$201 USD
Retailer 7$201 USD
Retailer 2$334 USD
Retailer 8$364 USD
Retailer 4$398 USD
Retailer 9$524 USD
Retailer 5$683 USD
Retailer 11$714 USD
MOH London$1,038 USD

43 data points across 11 retailers

12 retailers$162 USD to $1,038 USD

A
Cheapest Retailer
-
$162 USD
A
Retailer 2
-
$188 USD
View
A
Retailer 3
-
$199 USD
View
Retailer 4
-
$201 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$201 USD
View
A
Retailer 6
-
$334 USD
£263 GBP
View
B+
Retailer 7
-
$364 USD
View
B+
Retailer 8
-
$398 USD
£314 GBP
View
B
Retailer 9
-
$524 USD
View
B
Retailer 10
-
$683 USD
View
B
Retailer 11
-
$714 USD
View
Most Expensive
B
MOH London
LG597374737 · Nov 1
$1,038 USD
£817 GBP
View
11 more retailers have this diamond
Prices start from $162 USDSave up to $876 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
$162 USD