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Round|Natural|GIA

1.50ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1433591613

Certificate GIA 1433591613

Diamond specifications and retailer prices

From $9,300 SGD
$7,275 USD
As of November 1, 2026
Save $11,926 SGD (56%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: $21,227 SGD at NZ Jewellers · As of October 30, 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 1433591613. Listed at 32 retailers as of October 30, 2026, with prices from $9,300 to $21,227, a $11,926 spread on the same certified stone. NZ Jewellers lists it at $21,227. 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 angle34°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1433591613
Dimensions7.29 × 7.35 × 4.48 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle, Indented Natural
Top View
7.29 mm7.35 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1433591613
Side View
Table 61.0%Crown 34°Girdle: STK-STKPavilion 41.2°Culet: NoneDepth 61.3%

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 1
Current: $21,227 SGD|Low: $9,300 SGD|High: $21,227 SGD|Avg: $12,040 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
Retailer 28
Retailer 29
Retailer 30
Retailer 31
November 2, 2026
Retailer 16$9,300 SGD
Retailer 17$9,574 SGD
Retailer 19$9,626 SGD
Retailer 9$9,937 SGD
Retailer 13$10,100 SGD
Retailer 20$10,226 SGD
Retailer 11$10,553 SGD
Retailer 12$10,613 SGD
Retailer 18$10,613 SGD
Retailer 5$10,711 SGD
Retailer 15$11,312 SGD
Retailer 31$11,323 SGD
Retailer 10$11,498 SGD
Retailer 14$11,674 SGD
Retailer 24$11,677 SGD
Retailer 30$11,760 SGD
Retailer 29$11,783 SGD
Retailer 21$11,837 SGD
Retailer 22$11,839 SGD
Retailer 7$12,567 SGD
Retailer 25$12,567 SGD
Retailer 4$12,629 SGD
Retailer 23$12,685 SGD
Retailer 6$12,869 SGD
Retailer 8$12,989 SGD
Retailer 3$13,266 SGD
Retailer 27$13,596 SGD
Retailer 2$13,895 SGD
Retailer 28$15,592 SGD
Retailer 26$17,687 SGD
NZ Jewellers$21,227 SGD

10 data points across 31 retailers

32 retailers$9,300 SGD to $21,227 SGD

B+
Cheapest Retailer
-
$9,300 SGD
$7,275 USD
B+
Retailer 2
-
$9,574 SGD
$7,489 USD
View
B+
Retailer 3
-
$9,626 SGD
$7,530 USD
View
B+
Retailer 4
-
$9,916 SGD
A$11,933 AUD
View
B+
Retailer 5
-
$9,937 SGD
$7,773 USD
View
B+
Retailer 6
-
$10,100 SGD
$7,901 USD
View
B+
Retailer 7
-
$10,226 SGD
$7,999 USD
View
B+
Retailer 8
-
$10,553 SGD
$8,255 USD
View
B+
Retailer 9
-
$10,584 SGD
$8,279 USD
View
B+
Retailer 10
-
$10,613 SGD
$8,302 USD
View
Final sale: no returns
B+
Retailer 11
-
$10,613 SGD
$8,302 USD
View
B+
Retailer 12
-
$10,711 SGD
CA$11,637 CAD
View
B+
Retailer 13
-
$11,312 SGD
$8,849 USD
View
B+
Retailer 14
-
$11,323 SGD
$8,857 USD
View
B
Retailer 15
-
$11,498 SGD
$8,994 USD
View
B+
Retailer 16
-
$11,674 SGD
$9,132 USD
View
B+
Retailer 17
-
$11,677 SGD
£7,192 GBP
View
B+
Retailer 18
-
$11,783 SGD
$9,217 USD
View
B+
Retailer 19
-
$11,837 SGD
$9,259 USD
View
B+
Retailer 20
-
$11,839 SGD
$9,261 USD
View
B+
Retailer 21
-
$12,567 SGD
$9,830 USD
View
B+
Retailer 22
-
$12,567 SGD
$9,830 USD
View
B+
Retailer 23
-
$12,629 SGD
$9,879 USD
View
B+
Retailer 24
-
$12,685 SGD
$9,922 USD
View
B
Retailer 25
-
$12,869 SGD
$10,066 USD
View
B
Retailer 26
-
$12,989 SGD
$10,160 USD
View
B
Retailer 27
-
$13,266 SGD
$10,377 USD
View
B+
Retailer 28
-
$13,596 SGD
€10,129 EUR
View
B
Retailer 29
-
$13,895 SGD
£8,558 GBP
View
B
Retailer 30
-
$15,592 SGD
ZAR 197,032 ZAR
View
B
Retailer 31
-
$17,687 SGD
£10,894 GBP
View
Most Expensive
B
NZ Jewellers
432a34a9-c3a6-4872-9120-897be74981fb · Oct 30
$21,227 SGD
$16,604 USD
View
31 more retailers have this diamond
Prices start from $9,300 SGDSave up to $11,926 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+
1.50ct Round
$9,300 SGD