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Round|Natural|GIA

1.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6233939765

Certificate GIA 6233939765

Diamond specifications and retailer prices

From $5,826 USD
As of November 6, 2026
Save $7,284 USD (56%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $13,110 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6233939765. Listed at 26 retailers as of November 5, 2026, with prices from $5,826 to $13,110, a $7,284 spread on the same certified stone. NZ Jewellers lists it at $13,110. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6233939765
Dimensions7.22 × 7.28 × 4.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.22 mm7.28 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6233939765
Side View
Table 61.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.7%

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 6
Current: $8,018 USD|Low: $5,685 USD|High: $10,981 USD|Avg: $7,862 USD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$5,826 USD
Retailer 7$6,254 USD
Retailer 2$7,224 USD
Retailer 6$7,557 USD
Retailer 1$8,018 USD
Retailer 4$8,031 USD
Retailer 3$9,563 USD
Retailer 5$10,894 USD

44 data points across 8 retailers

26 retailers$5,826 USD to $13,110 USD

B+
Cheapest Retailer
-
$5,826 USD
B+
Retailer 2
-
$5,916 USD
View
B+
Retailer 3
-
$6,192 USD
View
B+
Retailer 4
-
$6,254 USD
View
Final sale: no returns
B+
Retailer 5
-
$6,278 USD
View
B+
Retailer 6
-
$6,510 USD
View
Retailer 7
-
$6,555 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$6,575 USD
View
B+
Retailer 9
-
$6,979 USD
View
B+
Retailer 10
-
$7,101 USD
View
B+
Retailer 11
-
$7,224 USD
View
B
Retailer 12
-
$7,235 USD
View
B
Retailer 13
-
$7,493 USD
View
Retailer 14
-
$7,557 USD
View
Price last confirmed 15 days ago
B+
Retailer 15
-
$7,860 USD
View
B+
Retailer 16
-
$7,860 USD
View
B+
Retailer 17
-
$7,901 USD
View
B+
Retailer 18
-
$8,018 USD
View
B+
Retailer 19
-
$8,031 USD
View
B
Retailer 20
-
$8,120 USD
View
B
Retailer 21
-
$8,193 USD
View
B
Retailer 22
-
$8,630 USD
View
Retailer 23
-
$8,636 USD
View
Price last confirmed 14 days ago
B
Retailer 24
-
$9,563 USD
View
B
Retailer 25
-
$10,894 USD
View
Most Expensive
B
NZ Jewellers
88894d16-2cac-4304-82c2-a7849fbcd248 · Nov 5
$13,110 USD
View
25 more retailers have this diamond
Prices start from $5,826 USDSave up to $7,284 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
$5,826 USD