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Round|Natural|GIA

1.51ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 6542761928

Certificate GIA 6542761928

Diamond specifications and retailer prices

From $3,914 USD
As of October 26, 2026
Save $5,230 USD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $9,144 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6542761928. Listed at 21 retailers as of October 26, 2026, with prices from $3,914 to $9,144, a $5,230 spread on the same certified stone. NZ Jewellers lists it at $9,144. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 6542761928
Dimensions7.13 × 7.21 × 4.57 mm
L/W Ratio1.01
Top View
7.13 mm7.21 mm1.51 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542761928
Side View
Table 56.0%Crown 37.5°Girdle: STK-THKPavilion 40°Culet: NoneDepth 63.8%

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: Oct 26
Current: $5,283 USD|Low: $3,957 USD|High: $8,813 USD|Avg: $5,660 USD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6$4,221 USD
Retailer 3$4,346 USD
Retailer 2$4,572 USD
Retailer 9$4,690 USD
Retailer 1$5,283 USD
Retailer 10$5,320 USD
Retailer 11$5,320 USD
Retailer 8$5,490 USD
Retailer 7$5,835 USD
Retailer 4$6,641 USD
Retailer 5$8,754 USD

34 data points across 11 retailers

21 retailers$3,914 USD to $9,144 USD

A
Cheapest Retailer
-
$3,914 USD
A
Retailer 2
-
$4,058 USD
HK$31,700 HKD
View
A
Retailer 3
-
$4,221 USD
View
A
Retailer 4
-
$4,320 USD
View
A
Retailer 5
-
$4,346 USD
View
B+
Retailer 6
-
$4,572 USD
View
Final sale: no returns
B+
Retailer 7
-
$4,690 USD
View
B+
Retailer 8
-
$4,953 USD
View
B+
Retailer 9
-
$4,953 USD
View
B+
Retailer 10
-
$4,953 USD
View
B+
Retailer 11
-
$5,283 USD
£4,160 GBP
View
B+
Retailer 12
-
$5,320 USD
View
B+
Retailer 13
-
$5,320 USD
View
B+
Retailer 14
-
$5,490 USD
View
B+
Retailer 15
-
$5,715 USD
View
B+
Retailer 16
-
$5,835 USD
€5,557 EUR
View
B+
Retailer 17
-
$6,032 USD
View
B+
Retailer 18
-
$6,361 USD
View
B+
Retailer 19
-
$6,641 USD
£5,229 GBP
View
B
Retailer 20
-
$8,754 USD
£6,893 GBP
View
Most Expensive
B
NZ Jewellers
95282ad7-224e-43dd-9cec-cd43601af852 · Oct 27
$9,144 USD
View
20 more retailers have this diamond
Prices start from $3,914 USDSave up to $5,230 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
$3,914 USD