CaratHunter
Plans
Round|Natural|GIA

1.55ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 2516731507

Certificate GIA 2516731507

Diamond specifications and retailer prices

From $2,943 SGD
As of November 6, 2026
Save $3,035 SGD (51%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,978 SGD at Wholesale Diamonds Direct · As of November 3, 2026
View at Wholesale Diamonds Direct

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2516731507. Listed at 8 retailers as of November 3, 2026, with prices from $2,943 to $5,978, a $3,035 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,978. 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
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2516731507
Dimensions7.37 × 7.34 × 4.58 mm
L/W Ratio1.00
Top View
7.37 mm7.34 mm1.55 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2516731507
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.3%

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: Nov 6
Current: $2,943 SGD|Low: $2,910 SGD|High: $6,435 SGD|Avg: $4,135 SGD|-10.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 4, 2026
Retailer 1$2,943 SGD
Retailer 2$3,272 SGD
Retailer 5$3,372 SGD
Retailer 6$3,481 SGD
Retailer 3$3,620 SGD
Retailer 8$4,008 SGD
Retailer 7$4,570 SGD
Retailer 4$4,809 SGD
Wholesale Diamonds Direct$5,978 SGD

23 data points across 9 retailers

8 retailers$2,943 SGD to $5,978 SGD

A
Cheapest Retailer
-
$2,943 SGD
A
Retailer 2
-
$3,272 SGD
View
Final sale: no returns
B+
Retailer 3
-
$3,372 SGD
View
A
Retailer 4
-
$3,481 SGD
View
A
Retailer 5
-
$3,620 SGD
View
B+
Retailer 6
-
$4,008 SGD
View
B
Retailer 7
-
$4,809 SGD
View
Most Expensive
B
Wholesale Diamonds Direct
625924145 · Nov 3
$5,978 SGD
$4,680 USD
View
7 more retailers have this diamond
Prices start from $2,943 SGDSave up to $3,035 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
$2,943 SGD