Round|Natural|GIA

1.50ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6542246597

Certificate GIA 6542246597

Diamond specifications and retailer prices

From $7,894 USD
As of November 1, 2026
Save $5,275 USD (40%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $16,863 USD at NZ Jewellers · As of September 26, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6542246597. Listed at 25 retailers as of November 1, 2026, with a 67% 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6542246597
Dimensions7.34 × 7.29 × 4.52 mm
L/W Ratio1.01
Top View
7.34 mm7.29 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542246597
Side View
Table 59.0%Crown 34.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $9,054 USD|Low: $7,728 USD|High: $13,327 USD|Avg: $10,408 USD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2$7,894 USD
Retailer 3$8,380 USD
Retailer 11$8,431 USD
Retailer 1$9,054 USD
Retailer 9$9,256 USD
Retailer 10$9,668 USD
Retailer 4$10,577 USD
Retailer 6$11,039 USD
Retailer 7$12,387 USD
Retailer 8$12,998 USD
Retailer 5$13,169 USD

34 data points across 11 retailers

25 retailers$7,894 USD to $13,169 USD

B+
Cheapest Retailer
-
$7,894 USD
B+
Retailer 2
-
$8,380 USD
View
B+
Retailer 3
-
$8,431 USD
View
Final sale: no returns
Retailer 4
-
$8,432 USD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
$8,987 USD
View
B+
Retailer 6
-
$9,054 USD
£7,129 GBP
View
Retailer 7
-
$9,134 USD
View
Price last confirmed 25 days ago
Retailer 8
-
$9,134 USD
View
Price last confirmed 45 days ago
Retailer 9
-
$9,256 USD
A$14,240 AUD
View
Price last confirmed 9 days ago
Retailer 10
-
$9,275 USD
View
Price last confirmed 33 days ago
B+
Retailer 11
-
$9,600 USD
View
B+
Retailer 12
-
$9,600 USD
View
B+
Retailer 13
-
$9,668 USD
View
B+
Retailer 14
-
$9,920 USD
View
B+
Retailer 15
-
$10,075 USD
View
Retailer 16
-
$10,540 USD
View
Price last confirmed 40 days ago
Retailer 17
-
$10,540 USD
View
Price last confirmed 23 days ago
B+
Retailer 18
-
$10,577 USD
€10,073 EUR
View
B
Retailer 19
-
$11,039 USD
£8,693 GBP
View
Retailer 20
-
$11,098 USD
View
Price last confirmed 17 days ago
B
Retailer 21
-
$12,387 USD
ZAR 200,109 ZAR
View
B
Retailer 22
-
$12,998 USD
£10,235 GBP
View
B
Retailer 23
-
$13,169 USD
£10,369 GBP
View
Retailer 24
-
$16,863 USD
View
Price last confirmed 43 days ago
Most Expensive
NZ Jewellers
ba4b0b67-c199-47ad-b61b-be1379b7ec82 · Sep 26
$16,863 USD
View
Price last confirmed 36 days ago
24 more retailers have this diamond
Prices start from $7,894 USDSave up to $5,275 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.

B+
1.50ct Round
$7,894 USD