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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 $297 NZD
As of November 5, 2026
Save $1,418 NZD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,715 NZD 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 $297 to $1,715, a $1,418 spread on the same certified stone. MOH London lists it at $1,715. 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,715 NZD|Low: $297 NZD|High: $1,828 NZD|Avg: $742 NZD|-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$297 NZD
Retailer 13$343 NZD
Retailer 4$349 NZD
Retailer 12$368 NZD
Retailer 5$386 NZD
Retailer 2$644 NZD
Retailer 9$660 NZD
Retailer 10$763 NZD
Retailer 6$809 NZD
Retailer 8$941 NZD
Retailer 11$1,183 NZD
Retailer 7$1,249 NZD
MOH London$1,715 NZD

44 data points across 13 retailers

13 retailers$297 NZD to $1,715 NZD

A
Cheapest Retailer
-
$297 NZD
A
Retailer 2
-
$343 NZD
View
A
Retailer 3
-
$349 NZD
View
Final sale: no returns
A
Retailer 4
-
$368 NZD
View
Retailer 5
-
$386 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$644 NZD
View
B+
Retailer 7
-
$660 NZD
View
B+
Retailer 8
-
$763 NZD
View
B+
Retailer 9
-
$809 NZD
View
B
Retailer 10
-
$941 NZD
View
B
Retailer 11
-
$1,183 NZD
View
B
Retailer 12
-
$1,249 NZD
View
Most Expensive
B
MOH London
LG662477385 · Nov 4
$1,715 NZD
£759 GBP
View
12 more retailers have this diamond
Prices start from $297 NZDSave up to $1,418 NZD

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
$297 NZD