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Round|Natural|GIA

5.90ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2235119592

Certificate GIA 2235119592

Diamond specifications and retailer prices

From $152,044 NZD
$85,548 USD
As of November 2, 2026
Save $38,306 NZD (20%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $190,350 NZD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 5.9ct natural round diamond

This 5.9ct natural round sits in the over five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2235119592. Listed at 4 retailers as of November 2, 2026, with prices from $152,044 to $190,350, a $38,306 spread on the same certified stone. 77 Diamonds lists it at $190,350. 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

5.90
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2235119592
Dimensions11.48 × 11.54 × 7.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Top View
11.48 mm11.54 mm5.90 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235119592
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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: Nov 2
Current: $190,350 NZD|Low: $150,619 NZD|High: $191,511 NZD|Avg: $165,099 NZD|+1.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 2$152,044 NZD
Retailer 3$158,924 NZD
Retailer 4$159,738 NZD
77 Diamonds$190,350 NZD

30 data points across 4 retailers

4 retailers$152,044 NZD to $190,350 NZD

A
Cheapest Retailer
-
$152,044 NZD
$85,548 USD
B+
Retailer 2
-
$158,924 NZD
$89,419 USD
View
B+
Retailer 3
-
$159,738 NZD
$89,877 USD
View
Most Expensive
B
77 Diamonds
RBMBMPXRPWBQ · Nov 2
$190,350 NZD
£84,331 GBP
View
3 more retailers have this diamond
Prices start from $152,044 NZDSave up to $38,306 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
5.90ct Round
$152,044 NZD