Round|Natural|GIA

1.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6552673012

Certificate GIA 6552673012

Diamond specifications and retailer prices

From $5,747 USD
HK$44,900 HKD
As of October 29, 2026
Save $7,447 USD (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $13,194 USD 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552673012. Listed at 10 retailers as of October 27, 2026, with prices from $5,747 to $13,194, a $7,447 spread on the same certified stone. NZ Jewellers lists it at $13,194. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6552673012
Dimensions7.23 × 7.29 × 4.55 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.23 mm7.29 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552673012
Side View
Table 57.0%CrownGirdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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: $13,194 USD|Low: $5,747 USD|High: $13,194 USD|Avg: $7,954 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 7$5,747 USD
Retailer 2$6,608 USD
Retailer 9$6,787 USD
Retailer 8$6,802 USD
Retailer 5$7,889 USD
Retailer 6$8,010 USD
Retailer 10$8,085 USD
Retailer 4$8,647 USD
Retailer 3$11,053 USD
NZ Jewellers$13,194 USD

42 data points across 10 retailers

10 retailers$5,747 USD to $13,194 USD

A
Cheapest Retailer
-
$5,747 USD
HK$44,900 HKD
A
Retailer 2
-
$6,608 USD
€6,293 EUR
View
A
Retailer 3
-
$6,787 USD
SGD 9,172 SGD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$6,802 USD
View
A
Retailer 5
-
$7,889 USD
View
A
Retailer 6
-
$8,010 USD
View
B+
Retailer 7
-
$8,085 USD
A$12,438 AUD
View
B+
Retailer 8
-
$8,647 USD
€8,235 EUR
View
B+
Retailer 9
-
$11,053 USD
£8,703 GBP
View
Most Expensive
B
NZ Jewellers
df459700-bc96-43ab-b655-bc388fce4981 · Oct 27
$13,194 USD
View
9 more retailers have this diamond
Prices start from $5,747 USDSave up to $7,447 USD

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
$5,747 USD