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Round|Natural|GIA

1.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 3565123575

Certificate GIA 3565123575

Diamond specifications and retailer prices

From $8,313 SGD
HK$50,800 HKD
As of October 30, 2026
Save $10,323 SGD (55%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $18,635 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3565123575. Listed at 23 retailers as of October 30, 2026, with prices from $8,313 to $18,635, a $10,323 spread on the same certified stone. NZ Jewellers lists it at $18,635. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3565123575
Dimensions7.28 × 7.32 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.28 mm7.32 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3565123575
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.5%

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 30
Current: $18,635 SGD|Low: $8,870 SGD|High: $18,635 SGD|Avg: $11,944 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
October 30, 2026
Retailer 9$8,924 SGD
Retailer 6$9,556 SGD
Retailer 7$9,816 SGD
Retailer 8$10,285 SGD
Retailer 15$10,285 SGD
Retailer 11$10,312 SGD
Retailer 4$10,551 SGD
Retailer 10$10,753 SGD
Retailer 3$11,143 SGD
Retailer 16$11,314 SGD
Retailer 2$12,175 SGD
Retailer 5$12,857 SGD
Retailer 14$13,567 SGD
Retailer 13$15,180 SGD
Retailer 12$15,612 SGD
NZ Jewellers$18,635 SGD

22 data points across 16 retailers

23 retailers$8,313 SGD to $18,635 SGD

A
Cheapest Retailer
-
$8,313 SGD
HK$50,800 HKD
A
Retailer 2
-
$8,924 SGD
₹664,806 INR
View
A
Retailer 3
-
$9,005 SGD
$7,044 USD
View
A
Retailer 4
-
$9,556 SGD
$7,475 USD
View
Retailer 5
-
$9,566 SGD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$9,598 SGD
$7,508 USD
View
A
Retailer 7
-
$9,816 SGD
View
A
Retailer 8
-
$10,115 SGD
$7,912 USD
View
A
Retailer 9
-
$10,119 SGD
$7,915 USD
View
B+
Retailer 10
-
$10,285 SGD
$8,045 USD
View
B+
Retailer 11
-
$10,285 SGD
$8,045 USD
View
Final sale: no returns
A
Retailer 12
-
$10,312 SGD
£6,351 GBP
View
Retailer 13
-
$10,551 SGD
A$12,697 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$10,753 SGD
£6,623 GBP
View
B+
Retailer 15
-
$11,143 SGD
$8,716 USD
View
B+
Retailer 16
-
$11,314 SGD
$8,850 USD
View
B+
Retailer 17
-
$11,384 SGD
$8,905 USD
View
B+
Retailer 18
-
$12,175 SGD
€9,070 EUR
View
B+
Retailer 19
-
$12,857 SGD
$10,057 USD
View
B+
Retailer 20
-
$13,567 SGD
ZAR 171,443 ZAR
View
B+
Retailer 21
-
$15,180 SGD
£9,350 GBP
View
B+
Retailer 22
-
$15,612 SGD
£9,616 GBP
View
Most Expensive
B
NZ Jewellers
8b5dc1ce-447b-4a66-972a-75fa6132eefe · Oct 30
$18,635 SGD
$14,577 USD
View
22 more retailers have this diamond
Prices start from $8,313 SGDSave up to $10,323 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
$8,313 SGD