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Round|Natural|GIA

2.51ct H SI1 Round Natural Diamond

VG • H/SI1 • GIA 5242063572

Certificate GIA 5242063572

Diamond specifications and retailer prices

From $33,976 NZD
SGD 25,877 SGD
As of November 1, 2026
Save $29,459 NZD (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $63,435 NZD at With Clarity · As of November 1, 2026
View at With Clarity

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 5242063572. Listed at 15 retailers as of November 1, 2026, with prices from $33,976 to $63,435, a $29,459 spread on the same certified stone. With Clarity lists it at $63,435. 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
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 5242063572
Dimensions8.41 × 8.46 × 5.45 mm
L/W Ratio1.01
Culet sizeNone
Top View
8.41 mm8.46 mm2.51 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242063572
Side View
Table 57.0%Crown 38.5°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 64.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $36,261 NZD|Low: $33,976 NZD|High: $63,435 NZD|Avg: $42,905 NZD|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
With Clarity
November 2, 2026
Retailer 5$33,976 NZD
Retailer 1$36,261 NZD
Retailer 14$36,504 NZD
Retailer 4$37,083 NZD
Retailer 9$37,216 NZD
Retailer 6$37,901 NZD
Retailer 10$38,315 NZD
Retailer 11$38,772 NZD
Retailer 13$42,782 NZD
Retailer 8$43,414 NZD
Retailer 3$43,664 NZD
Retailer 12$45,731 NZD
Retailer 7$52,173 NZD
Retailer 2$54,757 NZD
With Clarity$63,435 NZD

38 data points across 15 retailers

15 retailers$33,976 NZD to $63,435 NZD

B+
Cheapest Retailer
-
$33,976 NZD
SGD 25,877 SGD
B+
Retailer 2
-
$36,261 NZD
£16,092 GBP
View
B+
Retailer 3
-
$36,504 NZD
$20,574 USD
View
B+
Retailer 4
-
$37,083 NZD
$20,900 USD
View
B+
Retailer 5
-
$37,216 NZD
$20,975 USD
View
B+
Retailer 6
-
$37,901 NZD
$21,361 USD
View
B+
Retailer 7
-
$38,315 NZD
SGD 29,182 SGD
View
B+
Retailer 8
-
$38,772 NZD
$21,852 USD
View
B
Retailer 9
-
$42,782 NZD
$24,112 USD
View
B
Retailer 10
-
$43,414 NZD
€23,303 EUR
View
B
Retailer 11
-
$43,664 NZD
$24,609 USD
View
B
Retailer 12
-
$45,731 NZD
$25,774 USD
View
B
Retailer 13
-
$52,173 NZD
$29,405 USD
View
B
Retailer 14
-
$54,757 NZD
$30,861 USD
View
Most Expensive
B
With Clarity
5242063572 · Nov 1
$63,435 NZD
$35,752 USD
View
14 more retailers have this diamond
Prices start from $33,976 NZDSave up to $29,459 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.

B+
2.51ct Round
$33,976 NZD