Round|Natural|GIA

1.50ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 3555816099

Certificate GIA 3555816099

Diamond specifications and retailer prices

From $5,973 USD
As of November 4, 2026
Save $4,322 USD (42%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $10,295 USD at With Clarity · As of November 4, 2026
View at With Clarity

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555816099. Listed at 10 retailers as of November 4, 2026, with prices from $5,973 to $10,295, a $4,322 spread on the same certified stone. With Clarity lists it at $10,295. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3555816099
Dimensions7.41 × 7.38 × 4.46 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.41 mm7.38 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555816099
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,537 USD|Low: $5,973 USD|High: $11,048 USD|Avg: $7,585 USD|-8.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
November 6, 2026
Retailer 7$5,973 USD
Retailer 4$6,038 USD
Retailer 1$6,537 USD
Retailer 8$6,598 USD
Retailer 2$6,859 USD
Retailer 6$7,492 USD
Retailer 3$7,545 USD
Retailer 5$7,708 USD
With Clarity$10,295 USD

42 data points across 9 retailers

10 retailers$5,973 USD to $10,295 USD

A
Cheapest Retailer
-
$5,973 USD
A
Retailer 2
-
$6,038 USD
View
A
Retailer 3
-
$6,537 USD
View
A
Retailer 4
-
$6,598 USD
View
A
Retailer 5
-
$6,859 USD
View
B+
Retailer 6
-
$7,492 USD
View
B+
Retailer 7
-
$7,545 USD
View
B+
Retailer 8
-
$7,708 USD
View
B
Retailer 9
-
$8,709 USD
View
Most Expensive
B+
With Clarity
3555816099 · Nov 4
$10,295 USD
View
9 more retailers have this diamond
Prices start from $5,973 USDSave up to $4,322 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
$5,973 USD