Round|Natural|GIA

1.50ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2245065036

Certificate GIA 2245065036

Diamond specifications and retailer prices

From $5,709 USD
HK$44,600 HKD
As of October 29, 2026
Save $5,269 USD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $13,768 USD at NZ Jewellers · As of October 6, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245065036. Listed at 9 retailers as of October 29, 2026, with a 92% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2245065036
Dimensions7.23 × 7.29 × 4.53 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Indented Natural
Top View
7.23 mm7.29 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245065036
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

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: $6,477 USD|Low: $5,709 USD|High: $11,722 USD|Avg: $7,896 USD|-3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 6$5,709 USD
Retailer 1$6,477 USD
Retailer 7$6,807 USD
Retailer 8$6,846 USD
Retailer 5$7,835 USD
Retailer 2$8,367 USD
Retailer 4$8,470 USD
Retailer 3$10,978 USD

31 data points across 8 retailers

9 retailers$5,709 USD to $10,978 USD

A
Cheapest Retailer
-
$5,709 USD
HK$44,600 HKD
A
Retailer 2
-
$6,477 USD
€6,168 EUR
View
A
Retailer 3
-
$6,807 USD
View
A
Retailer 4
-
$6,846 USD
SGD 9,251 SGD
View
Price last confirmed 17 days ago
B+
Retailer 5
-
$7,835 USD
View
B+
Retailer 6
-
$8,367 USD
£6,588 GBP
View
B+
Retailer 7
-
$8,470 USD
€8,067 EUR
View
B
Retailer 8
-
$10,978 USD
£8,644 GBP
View
Most Expensive
B
NZ Jewellers
f6ad711c-d29e-4e71-839f-f5b861a0aef1 · Oct 6
$13,768 USD
View
Price last confirmed 23 days ago
8 more retailers have this diamond
Prices start from $5,709 USDSave up to $5,269 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
$5,709 USD