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Round|Natural|GIA

2.51ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 6541751280

Certificate GIA 6541751280

Diamond specifications and retailer prices

From $29,784 NZD
$16,758 USD
As of October 29, 2026
Save $21,242 NZD (42%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $51,026 NZD at MOH London · As of October 29, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6541751280. Listed at 22 retailers as of October 29, 2026, with prices from $29,784 to $51,026, a $21,242 spread on the same certified stone. MOH London lists it at $51,026. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 6541751280
Dimensions8.50 × 8.39 × 5.43 mm
L/W Ratio1.01
Top View
8.50 mm8.39 mm2.51 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6541751280
Side View
Table 56.0%Crown 38°Girdle: ThickPavilion 40°Culet: NoneDepth 64.3%

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: Oct 29
Current: $51,026 NZD|Low: $29,784 NZD|High: $52,861 NZD|Avg: $36,316 NZD|-3.2%
MOH London
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 7$29,784 NZD
Retailer 3$29,876 NZD
Retailer 8$30,523 NZD
Retailer 2$30,968 NZD
Retailer 6$31,144 NZD
Retailer 17$31,305 NZD
Retailer 11$32,498 NZD
Retailer 9$33,174 NZD
Retailer 15$33,572 NZD
Retailer 4$34,122 NZD
Retailer 5$34,718 NZD
Retailer 21$35,207 NZD
Retailer 10$35,777 NZD
Retailer 19$35,777 NZD
Retailer 18$36,559 NZD
Retailer 20$36,968 NZD
Retailer 16$37,608 NZD
Retailer 13$38,923 NZD
Retailer 14$39,028 NZD
Retailer 12$46,037 NZD
MOH London$51,026 NZD

31 data points across 21 retailers

22 retailers$29,784 NZD to $51,026 NZD

A
Cheapest Retailer
-
$29,784 NZD
$16,758 USD
A
Retailer 2
-
$29,876 NZD
$16,810 USD
View
A
Retailer 3
-
$30,523 NZD
$17,174 USD
View
A
Retailer 4
-
$30,968 NZD
₹1,659,449 INR
View
A
Retailer 5
-
$31,144 NZD
$17,523 USD
View
Final sale: no returns
A
Retailer 6
-
$31,305 NZD
$17,614 USD
View
B+
Retailer 7
-
$32,498 NZD
$18,285 USD
View
B+
Retailer 8
-
$33,174 NZD
$18,666 USD
View
B+
Retailer 9
-
$33,572 NZD
£14,874 GBP
View
B+
Retailer 10
-
$34,122 NZD
$19,199 USD
View
B+
Retailer 11
-
$34,718 NZD
$19,534 USD
View
B+
Retailer 12
-
$35,207 NZD
$19,809 USD
View
B+
Retailer 13
-
$35,777 NZD
$20,130 USD
View
B+
Retailer 14
-
$35,777 NZD
$20,130 USD
View
B+
Retailer 15
-
$36,559 NZD
$20,570 USD
View
B+
Retailer 16
-
$36,968 NZD
$20,800 USD
View
B+
Retailer 17
-
$37,608 NZD
£16,661 GBP
View
Retailer 18
-
$37,913 NZD
$21,332 USD
View
Price last confirmed 10 days ago
B+
Retailer 19
-
$38,923 NZD
€20,857 EUR
View
B+
Retailer 20
-
$39,028 NZD
$21,959 USD
View
B
Retailer 21
-
$46,037 NZD
$25,903 USD
View
Most Expensive
B
MOH London
319BB0A7E · Oct 29
$51,026 NZD
£22,606 GBP
View
21 more retailers have this diamond
Prices start from $29,784 NZDSave up to $21,242 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
$29,784 NZD