CaratHunter
Plans
Round|Natural|GIA

1.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1555061951

Certificate GIA 1555061951

Diamond specifications and retailer prices

From $11,822 SGD
$9,224 USD
As of October 29, 2026
Save $10,602 SGD (47%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $22,425 SGD at NZ Jewellers · As of October 27, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1555061951. Listed at 28 retailers as of October 27, 2026, with prices from $11,822 to $22,425, a $10,602 spread on the same certified stone. NZ Jewellers lists it at $22,425. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1555061951
Dimensions7.42 × 7.45 × 4.44 mm
L/W Ratio1.00
Girdle conditionSlightly Thick
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.42 mm7.45 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555061951
Side View
Table 62.0%Crown 33°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 59.7%

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 29
Current: $14,390 SGD|Low: $12,972 SGD|High: $21,267 SGD|Avg: $16,136 SGD|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8$12,972 SGD
Retailer 1$14,390 SGD
Retailer 7$14,616 SGD
Retailer 9$14,800 SGD
Retailer 2$14,924 SGD
Retailer 10$15,009 SGD
Retailer 5$16,183 SGD
Retailer 3$16,645 SGD
Retailer 6$19,662 SGD
Retailer 4$21,127 SGD

35 data points across 10 retailers

28 retailers$11,822 SGD to $22,425 SGD

B+
Cheapest Retailer
-
$11,822 SGD
$9,224 USD
B+
Retailer 2
-
$12,253 SGD
$9,560 USD
View
B+
Retailer 3
-
$12,485 SGD
$9,741 USD
View
B+
Retailer 4
-
$12,832 SGD
$10,012 USD
View
B+
Retailer 5
-
$12,859 SGD
CA$13,934 CAD
View
B+
Retailer 6
-
$12,972 SGD
$10,121 USD
View
Final sale: no returns
B+
Retailer 7
-
$13,291 SGD
$10,370 USD
View
B+
Retailer 8
-
$13,455 SGD
$10,498 USD
View
B+
Retailer 9
-
$14,354 SGD
$11,199 USD
View
B+
Retailer 10
-
$14,390 SGD
£8,841 GBP
View
B+
Retailer 11
-
$14,577 SGD
$11,373 USD
View
B+
Retailer 12
-
$14,616 SGD
A$17,544 AUD
View
B+
Retailer 13
-
$14,800 SGD
$11,547 USD
View
B+
Retailer 14
-
$14,924 SGD
$11,644 USD
View
B+
Retailer 15
-
$15,009 SGD
$11,710 USD
View
B
Retailer 16
-
$15,544 SGD
$12,128 USD
View
B
Retailer 17
-
$15,726 SGD
$12,270 USD
View
B
Retailer 18
-
$15,726 SGD
$12,270 USD
View
B
Retailer 19
-
$16,183 SGD
€12,025 EUR
View
B
Retailer 20
-
$16,252 SGD
$12,680 USD
View
B
Retailer 21
-
$16,391 SGD
$12,789 USD
View
B
Retailer 22
-
$16,645 SGD
£10,225 GBP
View
B
Retailer 23
-
$16,724 SGD
$13,048 USD
View
B
Retailer 24
-
$16,818 SGD
$13,122 USD
View
B
Retailer 25
-
$17,702 SGD
$13,811 USD
View
B
Retailer 26
-
$19,662 SGD
ZAR 247,825 ZAR
View
B
Retailer 27
-
$21,127 SGD
£12,979 GBP
View
Most Expensive
B
NZ Jewellers
21bb4a3a-acc9-49e9-a74b-b4811afb21b7 · Oct 27
$22,425 SGD
$17,496 USD
View
27 more retailers have this diamond
Prices start from $11,822 SGDSave up to $10,602 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
$11,822 SGD