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Round|Natural|GIA

2.51ct F SI2 Round Natural Diamond

VG • F/SI2 • GIA 5231884635

Certificate GIA 5231884635

Diamond specifications and retailer prices

From $37,423 NZD
$21,056 USD
As of November 1, 2026
Save $26,236 NZD (41%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $63,659 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 5231884635. Listed at 17 retailers as of November 1, 2026, with prices from $37,423 to $63,659, a $26,236 spread on the same certified stone. MOH London lists it at $63,659. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle29.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 5231884635
Dimensions8.85 × 8.98 × 5.25 mm
L/W Ratio1.01
Top View
8.85 mm8.98 mm2.51 ctF / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231884635
Side View
Table 62.0%Crown 29.5°Girdle: THN-STKPavilion 41.8°Culet: NoneDepth 58.9%

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 1
Current: $63,659 NZD|Low: $37,688 NZD|High: $64,426 NZD|Avg: $46,977 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2$37,764 NZD
Retailer 3$40,760 NZD
Retailer 5$42,799 NZD
Retailer 4$47,527 NZD
MOH London$63,659 NZD

42 data points across 5 retailers

17 retailers$37,423 NZD to $63,659 NZD

A
Cheapest Retailer
-
$37,423 NZD
$21,056 USD
A
Retailer 2
-
$37,471 NZD
$21,083 USD
View
A
Retailer 3
-
$37,764 NZD
₹2,023,636 INR
View
B+
Retailer 4
-
$38,338 NZD
CA$29,960 CAD
View
B+
Retailer 5
-
$40,760 NZD
£18,058 GBP
View
B+
Retailer 6
-
$40,761 NZD
$22,934 USD
View
B+
Retailer 7
-
$41,473 NZD
$23,335 USD
View
B+
Retailer 8
-
$42,799 NZD
$24,081 USD
View
B+
Retailer 9
-
$43,739 NZD
$24,610 USD
View
B+
Retailer 10
-
$43,739 NZD
$24,610 USD
View
B+
Retailer 11
-
$44,157 NZD
$24,845 USD
View
B+
Retailer 12
-
$45,197 NZD
$25,430 USD
View
B+
Retailer 13
-
$45,856 NZD
$25,801 USD
View
B+
Retailer 14
-
$47,527 NZD
€25,468 EUR
View
B+
Retailer 15
-
$47,543 NZD
$26,750 USD
View
B
Retailer 16
-
$57,744 NZD
$32,490 USD
View
Most Expensive
B
MOH London
91F4BC906 · Nov 1
$63,659 NZD
£28,203 GBP
View
16 more retailers have this diamond
Prices start from $37,423 NZDSave up to $26,236 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
$37,423 NZD