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Round|Natural|GIA

1.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7556903212

Certificate GIA 7556903212

Diamond specifications and retailer prices

From $4,640 USD
As of November 1, 2026
Save $5,656 USD (55%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $10,296 USD at NZ Jewellers · As of November 2, 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 7556903212. Listed at 27 retailers as of November 1, 2026, with prices from $4,640 to $10,296, a $5,656 spread on the same certified stone. NZ Jewellers lists it at $10,296. 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
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7556903212
Dimensions7.20 × 7.27 × 4.60 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Natural
Top View
7.20 mm7.27 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7556903212
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.5%

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 1
Current: $10,296 USD|Low: $4,640 USD|High: $10,296 USD|Avg: $6,106 USD|+4.1%
NZ Jewellers
Retailer 2
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Retailer 27
November 5, 2026
Retailer 26$4,640 USD
Retailer 5$4,712 USD
Retailer 7$4,728 USD
Retailer 12$4,864 USD
Retailer 24$4,866 USD
Retailer 8$4,926 USD
Retailer 14$5,148 USD
Retailer 25$5,215 USD
Retailer 18$5,391 USD
Retailer 15$5,476 USD
Retailer 9$5,510 USD
Retailer 3$5,577 USD
Retailer 10$5,577 USD
Retailer 27$5,577 USD
Retailer 16$5,629 USD
Retailer 6$5,676 USD
Retailer 13$5,809 USD
Retailer 19$5,956 USD
Retailer 20$6,100 USD
Retailer 17$6,107 USD
Retailer 21$6,331 USD
Retailer 11$6,435 USD
Retailer 2$6,569 USD
Retailer 23$7,563 USD
Retailer 4$8,919 USD
Retailer 22$9,070 USD
NZ Jewellers$10,296 USD

32 data points across 27 retailers

27 retailers$4,640 USD to $10,296 USD

A
Cheapest Retailer
-
$4,640 USD
A
Retailer 2
-
$4,712 USD
View
A
Retailer 3
-
$4,728 USD
View
A
Retailer 4
-
$4,864 USD
View
A
Retailer 5
-
$4,866 USD
View
A
Retailer 6
-
$4,926 USD
View
A
Retailer 7
-
$5,148 USD
View
Final sale: no returns
A
Retailer 8
-
$5,215 USD
View
B+
Retailer 9
-
$5,391 USD
View
B+
Retailer 10
-
$5,476 USD
View
B+
Retailer 11
-
$5,510 USD
View
B+
Retailer 12
-
$5,577 USD
View
B+
Retailer 13
-
$5,577 USD
View
Retailer 14
-
$5,577 USD
View
Price last confirmed 8 days ago
Retailer 15
-
$5,629 USD
View
Price last confirmed 22 days ago
B+
Retailer 16
-
$5,676 USD
View
B+
Retailer 17
-
$5,809 USD
View
Retailer 18
-
$5,956 USD
View
Price last confirmed 33 days ago
Retailer 19
-
$6,100 USD
View
Price last confirmed 31 days ago
B+
Retailer 20
-
$6,107 USD
View
B+
Retailer 21
-
$6,331 USD
View
B+
Retailer 22
-
$6,435 USD
View
B+
Retailer 23
-
$6,569 USD
View
B
Retailer 24
-
$7,563 USD
View
B
Retailer 25
-
$8,919 USD
View
B
Retailer 26
-
$9,070 USD
View
Most Expensive
B
NZ Jewellers
bbbb6167-a518-4cac-a81f-c7adbe5a2fe3 · Nov 2
$10,296 USD
View
26 more retailers have this diamond
Prices start from $4,640 USDSave up to $5,656 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
$4,640 USD