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Round|Natural|GIA

2.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 7553608628

Certificate GIA 7553608628

Diamond specifications and retailer prices

From $26,126 NZD
$14,700 USD
As of October 31, 2026
Save $19,455 NZD (43%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $45,581 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7553608628. Listed at 30 retailers as of October 31, 2026, with prices from $26,126 to $45,581, a $19,455 spread on the same certified stone. MOH London lists it at $45,581. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7553608628
Dimensions8.65 × 8.60 × 5.40 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Indented Natural, Natural
Top View
8.65 mm8.60 mm2.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7553608628
Side View
Table 58.0%Crown 35°Girdle: THN-STKPavilion 41.6°Culet: NoneDepth 63.2%

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 31
Current: $45,581 NZD|Low: $26,126 NZD|High: $46,879 NZD|Avg: $32,906 NZD|-2.5%
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
November 1, 2026
Retailer 15$26,126 NZD
Retailer 3$26,723 NZD
Retailer 4$26,832 NZD
Retailer 5$27,381 NZD
Retailer 17$27,573 NZD
Retailer 2$27,888 NZD
Retailer 18$27,969 NZD
Retailer 6$28,082 NZD
Retailer 7$29,857 NZD
Retailer 14$30,129 NZD
Retailer 11$31,173 NZD
Retailer 16$31,618 NZD
Retailer 8$32,578 NZD
Retailer 9$32,834 NZD
Retailer 10$33,040 NZD
Retailer 12$33,581 NZD
Retailer 13$35,030 NZD
MOH London$45,581 NZD

28 data points across 18 retailers

30 retailers$26,126 NZD to $45,581 NZD

A
Cheapest Retailer
-
$26,126 NZD
$14,700 USD
A
Retailer 2
-
$26,723 NZD
$15,036 USD
View
A
Retailer 3
-
$26,832 NZD
$15,097 USD
View
A
Retailer 4
-
$27,381 NZD
$15,406 USD
View
A
Retailer 5
-
$27,573 NZD
A$23,868 AUD
View
A
Retailer 6
-
$27,888 NZD
₹1,494,406 INR
View
A
Retailer 7
-
$27,969 NZD
$15,737 USD
View
Final sale: no returns
A
Retailer 8
-
$28,082 NZD
$15,800 USD
View
A
Retailer 9
-
$29,660 NZD
$16,688 USD
View
A
Retailer 10
-
$29,857 NZD
$16,799 USD
View
A
Retailer 11
-
$30,129 NZD
£13,348 GBP
View
A
Retailer 12
-
$30,921 NZD
$17,398 USD
View
A
Retailer 13
-
$31,173 NZD
$17,539 USD
View
A
Retailer 14
-
$31,618 NZD
$17,790 USD
View
A
Retailer 15
-
$31,636 NZD
$17,800 USD
View
Retailer 16
-
$32,130 NZD
$18,078 USD
View
Price last confirmed 56 days ago
Retailer 17
-
$32,130 NZD
$18,078 USD
View
Price last confirmed 34 days ago
B+
Retailer 18
-
$32,495 NZD
A$28,128 AUD
View
B+
Retailer 19
-
$32,578 NZD
$18,330 USD
View
B+
Retailer 20
-
$32,834 NZD
$18,474 USD
View
B+
Retailer 21
-
$33,040 NZD
$18,590 USD
View
Retailer 22
-
$33,367 NZD
$18,774 USD
View
Price last confirmed 35 days ago
Retailer 23
-
$33,367 NZD
$18,774 USD
View
Price last confirmed 57 days ago
Retailer 24
-
$33,385 NZD
$18,784 USD
View
Price last confirmed 10 days ago
B+
Retailer 25
-
$33,581 NZD
£14,877 GBP
View
B+
Retailer 26
-
$34,142 NZD
$19,210 USD
View
B+
Retailer 27
-
$35,030 NZD
€18,771 EUR
View
B+
Retailer 28
-
$35,584 NZD
$20,021 USD
View
Retailer 29
-
$42,017 NZD
$23,641 USD
View
Price last confirmed 37 days ago
Most Expensive
B
MOH London
FAFCEE711 · Nov 1
$45,581 NZD
£20,194 GBP
View
29 more retailers have this diamond
Prices start from $26,126 NZDSave up to $19,455 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
$26,126 NZD