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Round|Natural|GIA

1.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 3565648167

Certificate GIA 3565648167

Diamond specifications and retailer prices

From $8,528 SGD
As of November 6, 2026
Save $10,468 SGD (55%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $18,996 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3565648167. Listed at 23 retailers as of November 5, 2026, with prices from $8,528 to $18,996, a $10,468 spread on the same certified stone. NZ Jewellers lists it at $18,996. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 3565648167
Dimensions7.46 × 7.43 × 4.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle
Top View
7.46 mm7.43 mm1.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565648167
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.5%

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: Nov 6
Current: $18,996 SGD|Low: $8,528 SGD|High: $19,607 SGD|Avg: $11,503 SGD|-3.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
Retailer 23
November 6, 2026
Retailer 2$8,528 SGD
Retailer 20$8,787 SGD
Retailer 10$8,848 SGD
Retailer 4$9,087 SGD
Retailer 11$9,816 SGD
Retailer 8$10,040 SGD
Retailer 17$10,349 SGD
Retailer 7$10,432 SGD
Retailer 15$10,596 SGD
Retailer 3$10,791 SGD
Retailer 9$10,855 SGD
Retailer 16$11,045 SGD
Retailer 6$11,358 SGD
Retailer 12$11,373 SGD
Retailer 22$11,532 SGD
Retailer 23$11,605 SGD
Retailer 5$11,675 SGD
Retailer 19$11,713 SGD
Retailer 13$12,517 SGD
Retailer 14$13,104 SGD
Retailer 18$13,855 SGD
Retailer 21$15,785 SGD
NZ Jewellers$18,996 SGD

16 data points across 23 retailers

23 retailers$8,528 SGD to $18,996 SGD

B+
Cheapest Retailer
-
$8,528 SGD
B+
Retailer 2
-
$8,787 SGD
View
B+
Retailer 3
-
$8,848 SGD
View
B+
Retailer 4
-
$9,087 SGD
View
Final sale: no returns
B+
Retailer 5
-
$9,816 SGD
View
B+
Retailer 6
-
$10,040 SGD
View
B+
Retailer 7
-
$10,349 SGD
View
B+
Retailer 8
-
$10,432 SGD
View
Retailer 9
-
$10,596 SGD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$10,791 SGD
View
B+
Retailer 11
-
$10,855 SGD
View
Retailer 12
-
$11,045 SGD
View
Price last confirmed 14 days ago
B+
Retailer 13
-
$11,358 SGD
View
B+
Retailer 14
-
$11,373 SGD
View
B+
Retailer 15
-
$11,532 SGD
View
B+
Retailer 16
-
$11,605 SGD
View
B
Retailer 17
-
$11,675 SGD
View
B+
Retailer 18
-
$11,713 SGD
View
B
Retailer 19
-
$12,517 SGD
View
B
Retailer 20
-
$13,104 SGD
View
B
Retailer 21
-
$13,855 SGD
View
B
Retailer 22
-
$15,785 SGD
View
Most Expensive
B
NZ Jewellers
8b723761-7652-4c38-a8f2-4e039014f914 · Nov 5
$18,996 SGD
$14,822 USD
View
22 more retailers have this diamond
Prices start from $8,528 SGDSave up to $10,468 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
$8,528 SGD