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Round|Natural|GIA

5.10ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 2231845459

Certificate GIA 2231845459

Diamond specifications and retailer prices

From $66,506 NZD
As of November 4, 2026
Save $18,606 NZD (22%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $85,112 NZD at Yorxs · As of November 5, 2026
View at Yorxs

About this 5.1ct natural round diamond

This 5.1ct natural round sits in the over five carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2231845459. Listed at 10 retailers as of November 4, 2026, with prices from $66,506 to $85,112, a $18,606 spread on the same certified stone. Yorxs lists it at $85,112. 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

5.10
Carat
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2231845459
Dimensions10.91 × 10.98 × 6.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
10.91 mm10.98 mm5.10 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2231845459
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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 4
Current: $83,016 NZD|Low: $66,506 NZD|High: $86,087 NZD|Avg: $79,333 NZD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 6, 2026
Retailer 2$66,506 NZD
Retailer 5$76,662 NZD
Retailer 4$78,122 NZD
Retailer 1$83,016 NZD
Retailer 3$84,327 NZD
Yorxs$85,112 NZD

37 data points across 6 retailers

10 retailers$66,506 NZD to $85,112 NZD

B+
Cheapest Retailer
-
$66,506 NZD
Retailer 2
-
$73,049 NZD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$76,092 NZD
View
B+
Retailer 4
-
$76,662 NZD
View
B+
Retailer 5
-
$78,122 NZD
View
B+
Retailer 6
-
$79,136 NZD
View
B
Retailer 7
-
$82,180 NZD
View
B
Retailer 8
-
$83,016 NZD
View
B
Retailer 9
-
$84,327 NZD
View
Most Expensive
B
Yorxs
65220 · Nov 5
$85,112 NZD
€45,567 EUR
View
9 more retailers have this diamond
Prices start from $66,506 NZDSave up to $18,606 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+
5.10ct Round
$66,506 NZD