Round|Natural|GIA

1.50ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7558599604

Certificate GIA 7558599604

Diamond specifications and retailer prices

From $5,461 USD
As of November 4, 2026
Save $4,206 USD (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,667 USD at MOH London · As of November 4, 2026
View at MOH London

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 7558599604. Listed at 13 retailers as of November 4, 2026, with prices from $5,461 to $9,667, a $4,206 spread on the same certified stone. MOH London lists it at $9,667. 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
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7558599604
Dimensions7.25 × 7.29 × 4.56 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Knot, Feather, Cloud, Needle
Top View
7.25 mm7.29 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558599604
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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 4
Current: $9,667 USD|Low: $5,461 USD|High: $10,362 USD|Avg: $7,185 USD|-6.6%
MOH London
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
November 6, 2026
Retailer 3$5,461 USD
Retailer 15$5,537 USD
Retailer 12$5,738 USD
Retailer 6$5,886 USD
Retailer 13$6,060 USD
Retailer 14$6,073 USD
Retailer 9$6,207 USD
Retailer 8$6,738 USD
Retailer 7$6,815 USD
Retailer 2$6,947 USD
Retailer 4$7,319 USD
Retailer 11$7,592 USD
Retailer 10$8,027 USD
Retailer 5$8,046 USD
MOH London$9,667 USD

36 data points across 15 retailers

13 retailers$5,461 USD to $9,667 USD

A
Cheapest Retailer
-
$5,461 USD
A
Retailer 2
-
$5,537 USD
View
A
Retailer 3
-
$5,738 USD
View
Retailer 4
-
$5,886 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
$6,060 USD
View
A
Retailer 6
-
$6,073 USD
View
Final sale: no returns
A
Retailer 7
-
$6,207 USD
View
A
Retailer 8
-
$6,738 USD
View
Retailer 9
-
$6,815 USD
View
Price last confirmed 33 days ago
A
Retailer 10
-
$6,947 USD
View
B+
Retailer 11
-
$7,592 USD
View
B+
Retailer 12
-
$8,027 USD
View
Most Expensive
B+
MOH London
CAF7B46BD · Nov 4
$9,667 USD
£7,612 GBP
View
12 more retailers have this diamond
Prices start from $5,461 USDSave up to $4,206 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
$5,461 USD