Round|Natural|GIA

1.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2536897862

Certificate GIA 2536897862

Diamond specifications and retailer prices

From $4,039 USD
As of November 6, 2026
Save $4,510 USD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,549 USD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2536897862. Listed at 17 retailers as of November 5, 2026, with prices from $4,039 to $8,549, a $4,510 spread on the same certified stone. NZ Jewellers lists it at $8,549. 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
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2536897862
Dimensions7.27 × 7.32 × 4.54 mm
L/W Ratio1.01
Top View
7.27 mm7.32 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2536897862
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NDepth 62.3%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $5,566 USD|Low: $4,631 USD|High: $8,238 USD|Avg: $5,809 USD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$4,631 USD
Retailer 2$5,000 USD
Retailer 1$5,566 USD
Retailer 4$5,619 USD
Retailer 5$5,747 USD
Retailer 3$6,236 USD
Retailer 6$8,119 USD

38 data points across 7 retailers

17 retailers$4,039 USD to $8,549 USD

B+
Cheapest Retailer
-
$4,039 USD
B+
Retailer 2
-
$4,310 USD
View
B+
Retailer 3
-
$4,375 USD
View
B+
Retailer 4
-
$4,597 USD
View
Retailer 5
-
$4,631 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,631 USD
View
B+
Retailer 7
-
$4,631 USD
View
B+
Retailer 8
-
$4,901 USD
View
B+
Retailer 9
-
$5,000 USD
View
B
Retailer 10
-
$5,343 USD
View
B+
Retailer 11
-
$5,566 USD
View
B+
Retailer 12
-
$5,619 USD
View
Retailer 13
-
$5,642 USD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$5,747 USD
View
B
Retailer 15
-
$6,236 USD
View
B
Retailer 16
-
$8,119 USD
View
Most Expensive
B
NZ Jewellers
7925cd1c-bf23-4e7e-9f8b-046b00297260 · Nov 5
$8,549 USD
View
16 more retailers have this diamond
Prices start from $4,039 USDSave up to $4,510 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
$4,039 USD