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Round|Natural|GIA

5.15ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6481699676

Certificate GIA 6481699676

Diamond specifications and retailer prices

From $145,883 NZD
$82,220 USD
As of October 31, 2026
Save $15,525 NZD (10%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $161,408 NZD at Jared · As of October 30, 2026
View at Jared

About this 5.15ct natural round diamond

This 5.15ct natural round sits in the over five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6481699676. Listed at 4 retailers as of October 30, 2026, with a relatively tight 11% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

5.15
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6481699676
Dimensions11.10 × 11.04 × 6.89 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
11.10 mm11.04 mm5.15 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6481699676
Side View
Table 55.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

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: $161,408 NZD|Low: $145,619 NZD|High: $318,816 NZD|Avg: $211,693 NZD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 20, 2026
Retailer 2$145,883 NZD
Retailer 3$159,456 NZD
Retailer 5$159,456 NZD
Jared$161,408 NZD
Retailer 7$197,511 NZD
Retailer 8$204,532 NZD
Retailer 9$219,790 NZD
Retailer 6$227,022 NZD
Retailer 4$299,550 NZD

57 data points across 9 retailers

4 retailers$145,883 NZD to $161,408 NZD

A
Cheapest Retailer
-
$145,883 NZD
$82,220 USD
A
Retailer 2
-
$159,456 NZD
$89,870 USD
View
A
Retailer 3
-
$159,456 NZD
$89,870 USD
View
Most Expensive
A
Jared
150526308 · Oct 30
$161,408 NZD
$90,970 USD
View
3 more retailers have this diamond
Prices start from $145,883 NZDSave up to $15,525 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
5.15ct Round
$145,883 NZD