Round|Natural|GIA

1.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6452167699

Certificate GIA 6452167699

Diamond specifications and retailer prices

From $7,823 USD
As of October 30, 2026
Save $6,541 USD (46%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,364 USD at NZ Jewellers · As of October 30, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6452167699. Listed at 18 retailers as of October 30, 2026, with prices from $7,823 to $14,364, a $6,541 spread on the same certified stone. NZ Jewellers lists it at $14,364. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6452167699
Dimensions7.39 × 7.35 × 4.46 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
7.39 mm7.35 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6452167699
Side View
Table 62.0%Crown 33°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 60.4%

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: Oct 30
Current: $14,364 USD|Low: $7,182 USD|High: $14,364 USD|Avg: $10,446 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7$7,680 USD
Retailer 8$8,618 USD
Retailer 11$8,618 USD
Retailer 12$9,336 USD
Retailer 5$9,354 USD
Retailer 9$9,480 USD
Retailer 2$10,726 USD
Retailer 10$10,773 USD
Retailer 3$11,344 USD
Retailer 4$12,286 USD
Retailer 6$13,532 USD
NZ Jewellers$14,364 USD

38 data points across 12 retailers

18 retailers$7,823 USD to $14,364 USD

Retailer 1
-
$7,680 USD
Price last confirmed 12 days ago
B+
Retailer 2
-
$7,823 USD
View
B
Retailer 3
-
$8,070 USD
View
B
Retailer 4
-
$8,412 USD
CA$11,683 CAD
View
B
Retailer 5
-
$8,618 USD
View
B
Retailer 6
-
$8,618 USD
View
Final sale: no returns
B
Retailer 7
-
$9,336 USD
View
B
Retailer 8
-
$9,354 USD
£7,366 GBP
View
B
Retailer 9
-
$9,480 USD
View
B
Retailer 10
-
$9,918 USD
View
B
Retailer 11
-
$10,180 USD
View
B
Retailer 12
-
$10,180 USD
View
B
Retailer 13
-
$10,520 USD
View
B
Retailer 14
-
$10,726 USD
€10,215 EUR
View
B
Retailer 15
-
$10,773 USD
View
Retailer 16
-
$11,344 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$13,532 USD
£10,655 GBP
View
Most Expensive
B
NZ Jewellers
7873b98c-a4e4-4365-a09c-061d1d43ec55 · Oct 30
$14,364 USD
View
17 more retailers have this diamond
Prices start from $7,823 USDSave up to $6,541 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
$7,823 USD