Round|Natural|GIA

1.51ct H VS1 Round Natural Diamond

VG • H/VS1 • GIA 6481921061

Certificate GIA 6481921061

Diamond specifications and retailer prices

From $5,576 USD
As of October 30, 2026
Save $6,939 USD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,515 USD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by GIA 6481921061. Listed at 19 retailers as of October 30, 2026, with prices from $5,576 to $12,515, a $6,939 spread on the same certified stone. Diamond Quarter lists it at $12,515. 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

1.51
Carat
H
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle38°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 6481921061
Dimensions7.14 × 7.09 × 4.60 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.14 mm7.09 mm1.51 ctH / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6481921061
Side View
Table 57.0%Crown 38°Girdle: ThickPavilion 40.2°Culet: NoneDepth 64.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $7,072 USD|Low: $5,576 USD|High: $12,685 USD|Avg: $7,379 USD|-8.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 18
Retailer 19
November 1, 2026
Retailer 5$5,576 USD
Retailer 4$5,595 USD
Retailer 11$5,798 USD
Retailer 6$5,902 USD
Retailer 16$5,945 USD
Retailer 7$6,353 USD
Retailer 10$6,380 USD
Retailer 2$6,394 USD
Retailer 3$6,394 USD
Retailer 19$6,394 USD
Retailer 13$6,723 USD
Retailer 1$7,072 USD
Retailer 8$7,312 USD
Retailer 18$7,377 USD
Retailer 15$7,712 USD
Retailer 9$8,358 USD
Retailer 14$8,671 USD
Retailer 12$10,397 USD
Retailer 17$11,804 USD

25 data points across 19 retailers

19 retailers$5,576 USD to $12,515 USD

A
Cheapest Retailer
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$5,576 USD
A
Retailer 2
-
$5,595 USD
View
A
Retailer 3
-
$5,902 USD
View
Final sale: no returns
A
Retailer 4
-
$5,945 USD
View
A
Retailer 5
-
$6,353 USD
View
A
Retailer 6
-
$6,380 USD
View
A
Retailer 7
-
$6,394 USD
View
A
Retailer 8
-
$6,394 USD
View
A
Retailer 9
-
$6,394 USD
View
A
Retailer 10
-
$6,723 USD
£5,294 GBP
View
A
Retailer 11
-
$7,072 USD
£5,568 GBP
View
Retailer 12
-
$7,312 USD
A$11,250 AUD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
$7,377 USD
View
B+
Retailer 14
-
$7,712 USD
€7,345 EUR
View
Retailer 15
-
$8,358 USD
View
Price last confirmed 18 days ago
B+
Retailer 16
-
$8,671 USD
ZAR 140,081 ZAR
View
B
Retailer 17
-
$10,397 USD
£8,187 GBP
View
B
Retailer 18
-
$11,804 USD
View
Most Expensive
B
Diamond Quarter
1.51VS1H64616B31N · Oct 31
$12,515 USD
£9,854 GBP
View
18 more retailers have this diamond
Prices start from $5,576 USDSave up to $6,939 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
1.51ct Round
$5,576 USD