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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 $5,449 USD
As of November 5, 2026
Save $7,132 USD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $12,581 USD 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 $5,449 to $12,581, a $7,132 spread on the same certified stone. NZ Jewellers lists it at $12,581. 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
Color
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 5
Current: $12,581 USD|Low: $5,449 USD|High: $12,610 USD|Avg: $7,753 USD|-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 7$5,449 USD
Retailer 9$6,560 USD
Retailer 10$6,764 USD
Retailer 4$6,944 USD
Retailer 12$6,945 USD
Retailer 11$7,522 USD
Retailer 3$7,638 USD
Retailer 2$7,695 USD
Retailer 6$7,731 USD
Retailer 5$8,638 USD
Retailer 8$8,680 USD
NZ Jewellers$12,581 USD

37 data points across 12 retailers

12 retailers$5,449 USD to $12,581 USD

A
Cheapest Retailer
-
$5,449 USD
B+
Retailer 2
-
$6,560 USD
View
B+
Retailer 3
-
$6,764 USD
View
Retailer 4
-
$6,944 USD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$6,945 USD
View
B+
Retailer 6
-
$7,522 USD
View
B+
Retailer 7
-
$7,638 USD
View
A
Retailer 8
-
$7,695 USD
View
B+
Retailer 9
-
$7,731 USD
View
B+
Retailer 10
-
$8,638 USD
View
B+
Retailer 11
-
$8,680 USD
View
Most Expensive
B
NZ Jewellers
22db8a53-e38f-43ca-a910-0a216640f3b4 · Nov 5
$12,581 USD
View
11 more retailers have this diamond
Prices start from $5,449 USDSave up to $7,132 USD

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
$5,449 USD