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Round|Natural|GIA

1.50ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 1565181115

Certificate GIA 1565181115

Diamond specifications and retailer prices

From $4,280 USD
As of November 6, 2026
Save $4,776 USD (53%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,535 USD at NZ Jewellers · As of September 25, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565181115. Listed at 11 retailers as of November 4, 2026, with a 112% 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
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1565181115
Dimensions7.25 × 7.29 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.25 mm7.29 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1565181115
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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: Nov 6
Current: $4,280 USD|Low: $4,280 USD|High: $9,177 USD|Avg: $5,811 USD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$4,280 USD
Retailer 5$4,541 USD
Retailer 6$4,972 USD
Retailer 2$5,471 USD
Retailer 3$6,060 USD
Retailer 4$9,056 USD

44 data points across 6 retailers

11 retailers$4,280 USD to $9,056 USD

A
Cheapest Retailer
-
$4,280 USD
A
Retailer 2
-
$4,541 USD
View
Final sale: no returns
A
Retailer 3
-
$4,972 USD
View
A
Retailer 4
-
$5,471 USD
View
Retailer 5
-
$5,701 USD
View
Price last confirmed 43 days ago
A
Retailer 6
-
$5,855 USD
View
A
Retailer 7
-
$5,890 USD
View
A
Retailer 8
-
$6,060 USD
View
Retailer 9
-
$6,578 USD
View
Price last confirmed 45 days ago
B+
Retailer 10
-
$9,056 USD
View
Most Expensive
NZ Jewellers
bc37c694-3652-4c65-b4e0-03d543347782 · Sep 25
$9,535 USD
View
Price last confirmed 42 days ago
10 more retailers have this diamond
Prices start from $4,280 USDSave up to $4,776 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
$4,280 USD