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Round|Natural|GIA

1.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2526848685

Certificate GIA 2526848685

Diamond specifications and retailer prices

From $9,321 SGD
HK$56,800 HKD
As of October 29, 2026
Save $12,035 SGD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $21,356 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 2526848685. Listed at 24 retailers as of October 27, 2026, with prices from $9,321 to $21,356, a $12,035 spread on the same certified stone. NZ Jewellers lists it at $21,356. 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 angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2526848685
Dimensions7.24 × 7.29 × 4.54 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.24 mm7.29 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2526848685
Side View
Table 58.0%Crown 35.5°Girdle: STK-STKPavilion 40.8°Culet: NoneDepth 62.5%

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: Oct 29
Current: $21,356 SGD|Low: $9,321 SGD|High: $21,356 SGD|Avg: $11,950 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
October 29, 2026
Retailer 16$9,321 SGD
Retailer 3$9,520 SGD
Retailer 6$9,685 SGD
Retailer 8$9,776 SGD
Retailer 19$9,806 SGD
Retailer 12$10,303 SGD
Retailer 13$10,430 SGD
Retailer 20$10,438 SGD
Retailer 22$10,671 SGD
Retailer 15$11,357 SGD
Retailer 2$11,524 SGD
Retailer 10$11,583 SGD
Retailer 17$12,424 SGD
Retailer 21$12,642 SGD
Retailer 9$12,948 SGD
Retailer 4$13,065 SGD
Retailer 5$13,205 SGD
Retailer 7$13,348 SGD
Retailer 14$13,801 SGD
Retailer 11$15,129 SGD
Retailer 18$17,891 SGD
NZ Jewellers$21,356 SGD

29 data points across 22 retailers

24 retailers$9,321 SGD to $21,356 SGD

A
Cheapest Retailer
-
$9,321 SGD
HK$56,800 HKD
A
Retailer 2
-
$9,520 SGD
$7,425 USD
View
A
Retailer 3
-
$9,685 SGD
$7,554 USD
View
A
Retailer 4
-
$9,776 SGD
$7,625 USD
View
A
Retailer 5
-
$9,806 SGD
$7,648 USD
View
B+
Retailer 6
-
$10,303 SGD
CA$11,161 CAD
View
B+
Retailer 7
-
$10,430 SGD
$8,135 USD
View
B+
Retailer 8
-
$10,438 SGD
$8,141 USD
View
Final sale: no returns
B+
Retailer 9
-
$10,484 SGD
$8,177 USD
View
B+
Retailer 10
-
$10,671 SGD
$8,323 USD
View
B+
Retailer 11
-
$11,357 SGD
$8,858 USD
View
B+
Retailer 12
-
$11,524 SGD
£7,078 GBP
View
B+
Retailer 13
-
$11,532 SGD
$8,995 USD
View
B+
Retailer 14
-
$11,583 SGD
A$13,899 AUD
View
B+
Retailer 15
-
$12,424 SGD
$9,690 USD
View
B+
Retailer 16
-
$12,642 SGD
$9,860 USD
View
B+
Retailer 17
-
$12,948 SGD
$10,099 USD
View
B+
Retailer 18
-
$13,065 SGD
$10,190 USD
View
B+
Retailer 19
-
$13,205 SGD
€9,809 EUR
View
B
Retailer 20
-
$13,348 SGD
$10,411 USD
View
B+
Retailer 21
-
$13,801 SGD
$10,764 USD
View
B+
Retailer 22
-
$15,129 SGD
ZAR 190,633 ZAR
View
B
Retailer 23
-
$17,891 SGD
£10,988 GBP
View
Most Expensive
B
NZ Jewellers
b9489056-3c7b-48c3-b0bb-1bf644fa44c3 · Oct 27
$21,356 SGD
$16,657 USD
View
23 more retailers have this diamond
Prices start from $9,321 SGDSave up to $12,035 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
1.50ct Round
$9,321 SGD