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Round|Natural|GIA

1.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1563401068

Certificate GIA 1563401068

Diamond specifications and retailer prices

From $6,138 SGD
HK$37,400 HKD
As of October 28, 2026
Save $6,959 SGD (53%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $13,097 SGD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 1563401068. Listed at 11 retailers as of October 26, 2026, with prices from $6,138 to $13,097, a $6,959 spread on the same certified stone. Wholesale Diamonds Direct lists it at $13,097. 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
FluorescenceMedium
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1563401068
Dimensions7.27 × 7.22 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.27 mm7.22 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1563401068
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.7%

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 28
Current: $7,834 SGD|Low: $6,138 SGD|High: $13,791 SGD|Avg: $9,108 SGD|-9.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
October 28, 2026
Retailer 10$6,138 SGD
Retailer 11$7,418 SGD
Retailer 7$7,651 SGD
Retailer 1$7,834 SGD
Retailer 9$7,977 SGD
Retailer 2$8,070 SGD
Retailer 4$8,737 SGD
Retailer 5$8,917 SGD
Retailer 3$9,090 SGD
Retailer 6$10,525 SGD
Retailer 8$12,751 SGD
Wholesale Diamonds Direct$13,097 SGD

8 data points across 12 retailers

11 retailers$6,138 SGD to $13,097 SGD

A
Cheapest Retailer
-
$6,138 SGD
HK$37,400 HKD
A
Retailer 2
-
$7,418 SGD
$5,786 USD
View
A
Retailer 3
-
$7,651 SGD
£4,699 GBP
View
A
Retailer 4
-
$7,834 SGD
$6,110 USD
View
A
Retailer 5
-
$8,070 SGD
$6,295 USD
View
A
Retailer 6
-
$8,737 SGD
€6,490 EUR
View
A
Retailer 7
-
$8,917 SGD
£5,476 GBP
View
A
Retailer 8
-
$9,090 SGD
A$10,907 AUD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$10,525 SGD
ZAR 132,614 ZAR
View
B+
Retailer 10
-
$12,751 SGD
£7,831 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
576671765 · Oct 26
$13,097 SGD
$10,215 USD
View
10 more retailers have this diamond
Prices start from $6,138 SGDSave up to $6,959 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
$6,138 SGD