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Round|Natural|GIA

2.51ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 7552332939

Certificate GIA 7552332939

Diamond specifications and retailer prices

From $9,656 NZD
As of November 6, 2026
Save $12,724 NZD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $22,380 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7552332939. Listed at 12 retailers as of November 5, 2026, with prices from $9,656 to $22,380, a $12,724 spread on the same certified stone. NZ Jewellers lists it at $22,380. 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
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7552332939
Dimensions8.75 × 8.78 × 5.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
8.75 mm8.78 mm2.51 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7552332939
Side View
Table 61.0%Crown 33°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 59.8%

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 6
Current: $22,380 NZD|Low: $9,656 NZD|High: $22,432 NZD|Avg: $13,792 NZD|-0.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2$9,656 NZD
Retailer 9$11,670 NZD
Retailer 10$12,032 NZD
Retailer 4$12,353 NZD
Retailer 12$12,354 NZD
Retailer 11$13,381 NZD
Retailer 3$13,587 NZD
Retailer 5$13,689 NZD
Retailer 7$13,753 NZD
Retailer 6$15,366 NZD
Retailer 8$15,441 NZD
NZ Jewellers$22,380 NZD

37 data points across 12 retailers

12 retailers$9,656 NZD to $22,380 NZD

A
Cheapest Retailer
-
$9,656 NZD
B+
Retailer 2
-
$11,670 NZD
View
B+
Retailer 3
-
$12,032 NZD
View
Retailer 4
-
$12,353 NZD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$12,354 NZD
View
B+
Retailer 6
-
$13,381 NZD
View
B+
Retailer 7
-
$13,587 NZD
View
A
Retailer 8
-
$13,689 NZD
View
B+
Retailer 9
-
$13,753 NZD
View
B+
Retailer 10
-
$15,366 NZD
View
B+
Retailer 11
-
$15,441 NZD
View
Most Expensive
B
NZ Jewellers
22db8a53-e38f-43ca-a910-0a216640f3b4 · Nov 5
$22,380 NZD
$12,581 USD
View
11 more retailers have this diamond
Prices start from $9,656 NZDSave up to $12,724 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
$9,656 NZD