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Round|Natural|GIA

1.55ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 7531110751

Certificate GIA 7531110751

Diamond specifications and retailer prices

From $6,419 SGD
A$7,725 AUD
As of October 31, 2026
Save $2,082 SGD (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $8,501 SGD at Yorxs · As of October 30, 2026
View at Yorxs

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7531110751. Listed at 4 retailers as of October 30, 2026, with prices from $6,419 to $8,501, a $2,082 spread on the same certified stone. Yorxs lists it at $8,501. 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

1.55
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7531110751
Dimensions7.53 × 7.55 × 4.46 mm
L/W Ratio1.00
Star length45%
Lower girdle75%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
7.53 mm7.55 mm1.55 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7531110751
Side View
Table 61.0%Crown 33°GirdlePavilion 40.8°Culet: NoneDepth 59.1%

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: $8,080 SGD|Low: $6,419 SGD|High: $8,581 SGD|Avg: $7,925 SGD|-3.5%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 1, 2026
Retailer 2$6,419 SGD
Retailer 3$6,941 SGD
Retailer 1$8,080 SGD
Yorxs$8,501 SGD

38 data points across 4 retailers

4 retailers$6,419 SGD to $8,501 SGD

A
Cheapest Retailer
-
$6,419 SGD
A$7,725 AUD
B+
Retailer 2
-
$6,941 SGD
CA$7,540 CAD
View
B+
Retailer 3
-
$8,080 SGD
£4,977 GBP
View
Most Expensive
B+
Yorxs
D48929-11 · Oct 30
$8,501 SGD
€6,333 EUR
View
3 more retailers have this diamond
Prices start from $6,419 SGDSave up to $2,082 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
1.55ct Round
$6,419 SGD