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Round|Natural|GIA

2.51ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6555357101

Certificate GIA 6555357101

Diamond specifications and retailer prices

From $36,293 NZD
$20,455 USD
As of October 30, 2026
Save $25,787 NZD (42%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $62,080 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555357101. Listed at 21 retailers as of October 29, 2026, with prices from $36,293 to $62,080, a $25,787 spread on the same certified stone. MOH London lists it at $62,080. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555357101
Dimensions8.72 × 8.80 × 5.32 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle, Natural
Top View
8.72 mm8.80 mm2.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555357101
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.7%

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 30
Current: $62,080 NZD|Low: $31,069 NZD|High: $62,080 NZD|Avg: $40,832 NZD|+10.0%
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
October 30, 2026
Retailer 9$31,069 NZD
Retailer 17$36,293 NZD
Retailer 6$36,347 NZD
Retailer 3$36,631 NZD
Retailer 2$37,845 NZD
Retailer 7$37,892 NZD
Retailer 14$38,157 NZD
Retailer 10$39,862 NZD
Retailer 4$40,435 NZD
Retailer 12$40,701 NZD
Retailer 13$42,254 NZD
Retailer 8$42,548 NZD
Retailer 15$42,548 NZD
Retailer 5$43,967 NZD
Retailer 16$47,570 NZD
Retailer 11$47,779 NZD
MOH London$62,080 NZD

29 data points across 17 retailers

21 retailers$36,293 NZD to $62,080 NZD

Retailer 1
-
$31,069 NZD
HK$136,800 HKD
Price last confirmed 22 days ago
A
Retailer 2
-
$36,293 NZD
$20,455 USD
View
A
Retailer 3
-
$36,347 NZD
$20,485 USD
View
A
Retailer 4
-
$36,631 NZD
$20,645 USD
View
A
Retailer 5
-
$37,845 NZD
₹2,031,397 INR
View
A
Retailer 6
-
$37,892 NZD
$21,356 USD
View
Final sale: no returns
A
Retailer 7
-
$38,157 NZD
$21,505 USD
View
A
Retailer 8
-
$39,862 NZD
£17,690 GBP
View
A
Retailer 9
-
$40,435 NZD
$22,789 USD
View
A
Retailer 10
-
$40,701 NZD
$22,939 USD
View
Retailer 11
-
$41,815 NZD
$23,567 USD
View
Price last confirmed 31 days ago
A
Retailer 12
-
$42,254 NZD
$23,815 USD
View
A
Retailer 13
-
$42,548 NZD
$23,980 USD
View
A
Retailer 14
-
$42,548 NZD
$23,980 USD
View
Retailer 15
-
$43,142 NZD
$24,315 USD
View
Price last confirmed 29 days ago
A
Retailer 16
-
$43,967 NZD
$24,780 USD
View
Retailer 17
-
$44,801 NZD
$25,250 USD
View
Price last confirmed 32 days ago
B+
Retailer 18
-
$47,570 NZD
$26,810 USD
View
B+
Retailer 19
-
$47,779 NZD
€25,646 EUR
View
Retailer 20
-
$51,110 NZD
$28,806 USD
View
Price last confirmed 33 days ago
Most Expensive
B
MOH London
1C18CEA27 · Oct 29
$62,080 NZD
£27,550 GBP
View
20 more retailers have this diamond
Prices start from $36,293 NZDSave up to $25,787 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
$36,293 NZD