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Round|Natural|GIA

1.50ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2554887121

Certificate GIA 2554887121

Diamond specifications and retailer prices

From $7,563 SGD
HK$46,200 HKD
As of November 1, 2026
Save $6,121 SGD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $16,907 SGD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554887121. Listed at 14 retailers as of October 29, 2026, with a 81% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.50
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2554887121
Dimensions7.40 × 7.44 × 4.40 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Cavity, Needle
Top View
7.40 mm7.44 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554887121
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.3%

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 1
Current: $7,688 SGD|Low: $7,475 SGD|High: $14,048 SGD|Avg: $9,670 SGD|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5$7,563 SGD
Retailer 1$7,688 SGD
Retailer 2$8,734 SGD
Retailer 8$9,015 SGD
Retailer 10$9,639 SGD
Retailer 9$9,810 SGD
Retailer 4$10,469 SGD
Retailer 3$10,692 SGD
Retailer 6$11,274 SGD
Retailer 7$13,684 SGD

33 data points across 10 retailers

14 retailers$7,563 SGD to $13,684 SGD

A
Cheapest Retailer
-
$7,563 SGD
HK$46,200 HKD
A
Retailer 2
-
$7,688 SGD
₹572,527 INR
View
A
Retailer 3
-
$7,903 SGD
A$9,507 AUD
View
Retailer 4
-
$8,734 SGD
View
Price last confirmed 22 days ago
B+
Retailer 5
-
$9,015 SGD
$7,049 USD
View
Final sale: no returns
Retailer 6
-
$9,639 SGD
A$11,595 AUD
View
Price last confirmed 29 days ago
Retailer 7
-
$9,810 SGD
$7,671 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$10,049 SGD
A$12,088 AUD
View
Retailer 9
-
$10,108 SGD
$7,904 USD
View
Price last confirmed 34 days ago
B+
Retailer 10
-
$10,469 SGD
€7,796 EUR
View
B+
Retailer 11
-
$10,692 SGD
£6,583 GBP
View
B
Retailer 12
-
$11,274 SGD
$8,815 USD
View
B
Retailer 13
-
$13,684 SGD
£8,425 GBP
View
Most Expensive
NZ Jewellers
4e892bac-32ee-4fd1-b16a-f0b1602a8d3c · Sep 28
$16,907 SGD
$13,220 USD
View
Price last confirmed 35 days ago
13 more retailers have this diamond
Prices start from $7,563 SGDSave up to $6,121 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
1.50ct Round
$7,563 SGD