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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 $109,365 SGD
$85,548 USD
As of October 31, 2026
Save $27,553 SGD (20%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $136,918 SGD 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 October 31, 2026, with prices from $109,365 to $136,918, a $27,553 spread on the same certified stone. 77 Diamonds lists it at $136,918. 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: Oct 31
Current: $136,918 SGD|Low: $108,339 SGD|High: $137,753 SGD|Avg: $118,755 SGD|+1.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 2$109,365 SGD
Retailer 3$114,313 SGD
Retailer 4$114,899 SGD
77 Diamonds$136,918 SGD

30 data points across 4 retailers

4 retailers$109,365 SGD to $136,918 SGD

A
Cheapest Retailer
-
$109,365 SGD
$85,548 USD
B+
Retailer 2
-
$114,313 SGD
$89,419 USD
View
B+
Retailer 3
-
$114,899 SGD
$89,877 USD
View
Most Expensive
B
77 Diamonds
RBMBMPXRPWBQ · Nov 2
$136,918 SGD
£84,331 GBP
View
3 more retailers have this diamond
Prices start from $109,365 SGDSave up to $27,553 SGD

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
$109,365 SGD