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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 £124 GBP
As of November 5, 2026
Save £592 GBP (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £716 GBP at MOH London · As of November 4, 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 November 4, 2026, with prices from £124 to £716, a £592 spread on the same certified stone. MOH London lists it at £716. 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
Colour
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

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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 5
Current: £716 GBP|Low: £124 GBP|High: £763 GBP|Avg: £310 GBP|-5.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 3£124 GBP
Retailer 13£143 GBP
Retailer 4£146 GBP
Retailer 12£154 GBP
Retailer 5£161 GBP
Retailer 2£269 GBP
Retailer 9£276 GBP
Retailer 10£319 GBP
Retailer 6£338 GBP
Retailer 8£393 GBP
Retailer 11£494 GBP
Retailer 7£522 GBP
MOH London£716 GBP

44 data points across 13 retailers

13 retailers£124 GBP to £716 GBP

A
Cheapest Retailer
-
£124 GBP
A
Retailer 2
-
£143 GBP
View
A
Retailer 3
-
£146 GBP
View
Final sale: no returns
A
Retailer 4
-
£154 GBP
View
Retailer 5
-
£161 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£269 GBP
View
B+
Retailer 7
-
£276 GBP
View
B+
Retailer 8
-
£319 GBP
View
B+
Retailer 9
-
£338 GBP
View
B
Retailer 10
-
£393 GBP
View
B
Retailer 11
-
£494 GBP
View
B
Retailer 12
-
£522 GBP
View
Most Expensive
B
MOH London
LG662477385 · Nov 4
£716 GBP
View
12 more retailers have this diamond
Prices start from £124 GBPSave up to £592 GBP

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
£124 GBP