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Round|Natural|GIA

1.59ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 2567425582

Certificate GIA 2567425582

Diamond specifications and retailer prices

From $4,172 SGD
As of November 6, 2026
Save $255 SGD (6%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,427 SGD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.59ct natural round diamond

This 1.59ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2567425582. Listed at 2 retailers as of November 6, 2026, with a relatively tight 6% 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

1.59
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2567425582
Dimensions7.38 × 7.43 × 4.65 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Indented Natural
Top View
7.38 mm7.43 mm1.59 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2567425582
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $4,427 SGD|Low: $3,759 SGD|High: $4,471 SGD|Avg: $4,107 SGD|+10.7%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2$4,172 SGD
77 Diamonds$4,427 SGD

14 data points across 2 retailers

2 retailers$4,172 SGD to $4,427 SGD

B+
Cheapest Retailer
-
$4,172 SGD
Most Expensive
B
77 Diamonds
RBCPWGDCXFSS · Nov 6
$4,427 SGD
£2,729 GBP
View
1 more retailer has this diamond
Prices start from $4,172 SGDSave up to $255 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.

B+
1.59ct Round
$4,172 SGD