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2.51ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • GIA 7486108115

Certificate GIA 7486108115

Diamond specifications and retailer prices

From $1,122 NZD
As of November 1, 2026
Save $1,638 NZD (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,761 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct lab-grown round diamond

This 2.51ct lab-grown round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7486108115. Listed at 9 retailers as of November 1, 2026, with prices from $1,122 to $2,761, a $1,638 spread on the same certified stone. MOH London lists it at $2,761. 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

2.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 7486108115
Dimensions8.71 × 8.77 × 5.38 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
8.71 mm8.77 mm2.51 ctH / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 7486108115
Side View
Table 58.0%Crown 33°GirdlePavilion 41.6°Culet: NoneDepth 61.6%

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 1
Current: $2,761 NZD|Low: $688 NZD|High: $2,792 NZD|Avg: $1,772 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 5$688 NZD
Retailer 6$1,122 NZD
Retailer 3$1,130 NZD
Retailer 4$1,661 NZD
Retailer 7$2,295 NZD
Retailer 2$2,473 NZD
MOH London$2,761 NZD

9 data points across 7 retailers

9 retailers$1,122 NZD to $2,761 NZD

Retailer 1
-
$555 NZD
Price last confirmed 39 days ago
Retailer 2
-
$680 NZD
View
Price last confirmed 38 days ago
B+
Retailer 3
-
$1,122 NZD
View
B+
Retailer 4
-
$1,130 NZD
View
A
Retailer 5
-
$1,661 NZD
View
Retailer 6
-
$2,213 NZD
View
Price last confirmed 37 days ago
B+
Retailer 7
-
$2,295 NZD
View
A
Retailer 8
-
$2,473 NZD
View
Most Expensive
A
MOH London
7486108115 · Nov 1
$2,761 NZD
£1,222 GBP
View
8 more retailers have this diamond
Prices start from $1,122 NZDSave up to $1,638 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
2.51ct Round
$1,122 NZD