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Round|Natural|GIA

1.50ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 6552521830

Certificate GIA 6552521830

Diamond specifications and retailer prices

From $3,983 USD
As of November 6, 2026
Save $4,937 USD (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,920 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6552521830. Listed at 20 retailers as of November 5, 2026, with prices from $3,983 to $8,920, a $4,937 spread on the same certified stone. NZ Jewellers lists it at $8,920. 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
H
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 6552521830
Dimensions7.15 × 7.18 × 4.56 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Needle
Top View
7.15 mm7.18 mm1.50 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552521830
Side View
Table 57.0%Crown 38.5°Girdle: STK-THKPavilion 40°Culet: NoneDepth 63.7%

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: $8,920 USD|Low: $3,468 USD|High: $8,920 USD|Avg: $5,216 USD|+13.6%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 19$3,983 USD
Retailer 13$4,213 USD
Retailer 15$4,288 USD
Retailer 17$4,459 USD
Retailer 10$4,508 USD
Retailer 8$4,552 USD
Retailer 7$4,569 USD
Retailer 18$4,728 USD
Retailer 11$4,750 USD
Retailer 4$4,764 USD
Retailer 16$4,791 USD
Retailer 2$4,832 USD
Retailer 6$4,832 USD
Retailer 5$5,314 USD
Retailer 12$5,364 USD
Retailer 20$5,575 USD
Retailer 3$5,842 USD
Retailer 14$6,406 USD
Retailer 9$7,190 USD
NZ Jewellers$8,920 USD

18 data points across 20 retailers

20 retailers$3,983 USD to $8,920 USD

A
Cheapest Retailer
-
$3,983 USD
A
Retailer 2
-
$4,213 USD
View
A
Retailer 3
-
$4,288 USD
View
A
Retailer 4
-
$4,400 USD
View
B+
Retailer 5
-
$4,459 USD
View
Final sale: no returns
Retailer 6
-
$4,508 USD
View
Price last confirmed 12 days ago
Retailer 7
-
$4,552 USD
View
Price last confirmed 9 days ago
Retailer 8
-
$4,569 USD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$4,728 USD
View
Retailer 10
-
$4,750 USD
View
Price last confirmed 11 days ago
A
Retailer 11
-
$4,764 USD
View
B+
Retailer 12
-
$4,791 USD
View
B+
Retailer 13
-
$4,832 USD
View
B+
Retailer 14
-
$4,832 USD
View
B+
Retailer 15
-
$5,314 USD
View
B+
Retailer 16
-
$5,575 USD
View
B+
Retailer 17
-
$5,842 USD
View
B
Retailer 18
-
$6,406 USD
View
Retailer 19
-
$7,190 USD
View
Price last confirmed 11 days ago
Most Expensive
B
NZ Jewellers
9a47c65b-abfa-4028-b3bb-dc7656e9407b · Nov 5
$8,920 USD
View
19 more retailers have this diamond
Prices start from $3,983 USDSave up to $4,937 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
$3,983 USD