CaratHunter
Plans
Round|Natural|GIA

2.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6562074899

Certificate GIA 6562074899

Diamond specifications and retailer prices

From $57,285 NZD
£25,422 GBP
As of October 30, 2026
11 retailers carry this diamond
Most expensive: $69,812 NZD at Cape Diamonds · As of September 25, 2026
View at Cape Diamonds

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562074899. Listed at 11 retailers as of October 30, 2026. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6562074899
Dimensions8.59 × 8.63 × 5.40 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
8.59 mm8.63 mm2.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562074899
Side View
Table 58.0%Crown 36°GirdlePavilion 40.8°Culet: NoneDepth 62.7%

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: Oct 30
Current: $69,812 NZD|Low: $45,765 NZD|High: $81,394 NZD|Avg: $56,554 NZD
Cape Diamonds
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 3$46,245 NZD
Retailer 14$46,946 NZD
Retailer 9$50,071 NZD
Retailer 12$50,133 NZD
Retailer 17$50,894 NZD
Retailer 7$51,565 NZD
Retailer 10$52,367 NZD
Retailer 5$53,713 NZD
Retailer 15$54,143 NZD
Retailer 6$55,126 NZD
Retailer 4$55,860 NZD
Retailer 2$57,285 NZD
Retailer 11$57,415 NZD
Retailer 8$58,009 NZD
Retailer 13$62,344 NZD
Cape Diamonds$69,812 NZD
Retailer 16$81,394 NZD

30 data points across 17 retailers

11 retailers

Retailer 1
-
$46,946 NZD
$26,459 USD
Price last confirmed 17 days ago
Retailer 2
-
$50,894 NZD
A$44,129 AUD
View
Price last confirmed 39 days ago
Retailer 3
-
$51,565 NZD
$29,062 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$52,367 NZD
$29,514 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$53,713 NZD
$30,273 USD
View
Price last confirmed 38 days ago
Retailer 6
-
$54,143 NZD
$30,515 USD
View
Price last confirmed 17 days ago
Retailer 7
-
$55,126 NZD
$31,069 USD
View
Price last confirmed 17 days ago
Retailer 8
-
$55,860 NZD
$31,483 USD
View
Price last confirmed 39 days ago
B+
Retailer 9
-
$57,285 NZD
£25,422 GBP
View
Retailer 10
-
$58,009 NZD
$32,694 USD
View
Price last confirmed 41 days ago
Most Expensive
Cape Diamonds
cert_6562074899 · Sep 25
$69,812 NZD
ZAR 635,641 ZAR
View
Price last confirmed 37 days ago
10 more retailers have this diamond
Prices start from $57,285 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
$57,285 NZD