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Round|Lab Grown|IGI

3.15ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG642473486

Shape and cutting style on the report: Round brilliant

Certificate IGI LG642473486

Diamond specifications and retailer prices

From $687 NZD
As of November 5, 2026
Save $2,637 NZD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,323 NZD at MOH London · As of November 3, 2026
View at MOH London

About this 3.15ct lab-grown round diamond

This 3.15ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG642473486 or 642473486. Listed at 13 retailers as of November 3, 2026, with prices from $687 to $3,323, a $2,637 spread on the same certified stone. MOH London lists it at $3,323. 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

3.15
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG642473486
Dimensions9.49 × 9.46 × 5.74 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.49 mm9.46 mm3.15 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG642473486
Side View
Table 59.0%Crown 33.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.6%

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: $3,323 NZD|Low: $548 NZD|High: $3,398 NZD|Avg: $1,664 NZD
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 3, 2026
Retailer 8$687 NZD
Retailer 11$768 NZD
Retailer 13$768 NZD
Retailer 4$850 NZD
Retailer 9$850 NZD
Retailer 2$1,112 NZD
Retailer 10$1,350 NZD
Retailer 12$1,535 NZD
Retailer 5$1,882 NZD
Retailer 7$2,386 NZD
Retailer 3$2,734 NZD
Retailer 6$3,158 NZD
MOH London$3,323 NZD

24 data points across 13 retailers

13 retailers$687 NZD to $3,323 NZD

A
Cheapest Retailer
-
$687 NZD
A
Retailer 2
-
$768 NZD
View
A
Retailer 3
-
$768 NZD
View
Final sale: no returns
A
Retailer 4
-
$850 NZD
View
Retailer 5
-
$850 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$1,112 NZD
View
B+
Retailer 7
-
$1,350 NZD
View
A
Retailer 8
-
$1,535 NZD
View
A
Retailer 9
-
$1,882 NZD
View
B+
Retailer 10
-
$2,386 NZD
View
B+
Retailer 11
-
$2,734 NZD
View
B+
Retailer 12
-
$3,158 NZD
View
Most Expensive
B+
MOH London
LG642473486 · Nov 3
$3,323 NZD
£1,471 GBP
View
12 more retailers have this diamond
Prices start from $687 NZDSave up to $2,637 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
3.15ct Round
$687 NZD