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Round|Natural|GIA

1.55ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6531637252

Certificate GIA 6531637252

Diamond specifications and retailer prices

From $7,715 SGD
$6,035 USD
As of October 31, 2026
Save $6,010 SGD (44%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $13,726 SGD at MOH London · As of October 29, 2026
View at MOH London

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 6531637252. Listed at 9 retailers as of October 29, 2026, with prices from $7,715 to $13,726, a $6,010 spread on the same certified stone. MOH London lists it at $13,726. 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
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6531637252
Dimensions7.37 × 7.43 × 4.62 mm
L/W Ratio1.01
Top View
7.37 mm7.43 mm1.55 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531637252
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $13,726 SGD|Low: $7,715 SGD|High: $13,818 SGD|Avg: $10,145 SGD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4$7,715 SGD
Retailer 10$7,741 SGD
Retailer 2$9,174 SGD
Retailer 8$9,844 SGD
Retailer 9$9,844 SGD
Retailer 7$10,176 SGD
Retailer 3$10,628 SGD
Retailer 5$10,795 SGD
Retailer 6$11,769 SGD
MOH London$13,726 SGD

33 data points across 10 retailers

9 retailers$7,715 SGD to $13,726 SGD

B+
Cheapest Retailer
-
$7,715 SGD
$6,035 USD
B+
Retailer 2
-
$7,741 SGD
$6,055 USD
View
B+
Retailer 3
-
$9,174 SGD
£5,651 GBP
View
B
Retailer 4
-
$9,844 SGD
$7,700 USD
View
B
Retailer 5
-
$9,844 SGD
$7,700 USD
View
B+
Retailer 6
-
$10,176 SGD
$7,960 USD
View
B+
Retailer 7
-
$10,628 SGD
£6,546 GBP
View
Retailer 8
-
$10,795 SGD
$8,444 USD
View
Price last confirmed 17 days ago
Most Expensive
B
MOH London
F3B0F60E8 · Oct 29
$13,726 SGD
£8,454 GBP
View
8 more retailers have this diamond
Prices start from $7,715 SGDSave up to $6,010 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+
1.55ct Round
$7,715 SGD