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Round|Lab Grown|IGI

1.15ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG662477385

Shape and cutting style on the report: Round brilliant

Certificate IGI LG662477385

Diamond specifications and retailer prices

From $167 USD
As of October 29, 2026
Save $799 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $966 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG662477385 or 662477385. Listed at 13 retailers as of October 29, 2026, with prices from $167 to $966, a $799 spread on the same certified stone. MOH London lists it at $966. 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
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662477385
Dimensions6.72 × 6.68 × 4.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.72 mm6.68 mm1.15 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662477385
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.9%

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: $966 USD|Low: $140 USD|High: $1,027 USD|Avg: $410 USD|-5.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 13$167 USD
Retailer 12$193 USD
Retailer 4$196 USD
Retailer 11$207 USD
Retailer 5$217 USD
Retailer 2$363 USD
Retailer 8$371 USD
Retailer 9$429 USD
Retailer 3$450 USD
Retailer 7$529 USD
Retailer 10$665 USD
Retailer 6$702 USD
MOH London$966 USD

44 data points across 13 retailers

13 retailers$167 USD to $966 USD

A
Cheapest Retailer
-
$167 USD
A
Retailer 2
-
$193 USD
View
A
Retailer 3
-
$196 USD
View
Final sale: no returns
A
Retailer 4
-
$207 USD
View
A
Retailer 5
-
$217 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$363 USD
£286 GBP
View
B+
Retailer 7
-
$371 USD
View
B+
Retailer 8
-
$429 USD
View
Retailer 9
-
$450 USD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
$529 USD
View
B
Retailer 11
-
$665 USD
View
B
Retailer 12
-
$702 USD
View
Most Expensive
B
MOH London
LG662477385 · Nov 1
$966 USD
£761 GBP
View
12 more retailers have this diamond
Prices start from $167 USDSave up to $799 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
$167 USD