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Round|Natural|GIA

1.50ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 7546878538

Certificate GIA 7546878538

Diamond specifications and retailer prices

From $2,368 USD
As of November 6, 2026
Save $3,251 USD (58%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,619 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 very-good cut grade and certified by GIA 7546878538. Listed at 17 retailers as of November 5, 2026, with prices from $2,368 to $5,619, a $3,251 spread on the same certified stone. NZ Jewellers lists it at $5,619. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
K
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle37°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7546878538
Dimensions7.10 × 7.20 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Needle, Cloud, Pinpoint, Indented Natural
Top View
7.10 mm7.20 mm1.50 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 7546878538
Side View
Table 58.0%Crown 37°Girdle: STK-THKPavilion 41°Culet: NoneDepth 64.3%

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 6
Current: $5,619 USD|Low: $2,368 USD|High: $5,619 USD|Avg: $3,704 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
Retailer 13
Retailer 14
November 6, 2026
Retailer 14$2,368 USD
Retailer 3$2,741 USD
Retailer 13$2,800 USD
Retailer 8$3,073 USD
Retailer 4$3,225 USD
Retailer 7$3,298 USD
Retailer 6$3,456 USD
Retailer 2$3,512 USD
Retailer 5$3,722 USD
Retailer 9$3,733 USD
Retailer 11$3,752 USD
Retailer 10$3,936 USD
Retailer 12$5,379 USD
NZ Jewellers$5,619 USD

36 data points across 14 retailers

17 retailers$2,368 USD to $5,619 USD

A
Cheapest Retailer
-
$2,368 USD
A
Retailer 2
-
$2,741 USD
View
B+
Retailer 3
-
$2,800 USD
View
B+
Retailer 4
-
$2,864 USD
View
B+
Retailer 5
-
$3,073 USD
View
Retailer 6
-
$3,225 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,298 USD
View
Retailer 8
-
$3,349 USD
View
Price last confirmed 38 days ago
B+
Retailer 9
-
$3,456 USD
View
B+
Retailer 10
-
$3,512 USD
View
B+
Retailer 11
-
$3,722 USD
View
B+
Retailer 12
-
$3,733 USD
View
B+
Retailer 13
-
$3,752 USD
View
B+
Retailer 14
-
$3,936 USD
View
B
Retailer 15
-
$4,558 USD
View
B
Retailer 16
-
$5,379 USD
View
Most Expensive
B
NZ Jewellers
42a7469c-6b90-48c4-a836-741e832470b3 · Nov 5
$5,619 USD
View
16 more retailers have this diamond
Prices start from $2,368 USDSave up to $3,251 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
$2,368 USD