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Round|Natural|GIA

1.51ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 7558636517

Certificate GIA 7558636517

Diamond specifications and retailer prices

From $5,612 AUD
$3,942 USD
As of November 1, 2026
Save $6,022 AUD (52%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $11,634 AUD at MOH London · As of November 1, 2026
View at MOH London

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 7558636517. Listed at 18 retailers as of November 1, 2026, with prices from $5,612 to $11,634, a $6,022 spread on the same certified stone. MOH London lists it at $11,634. 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
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 7558636517
Dimensions7.08 × 4.55 × 4.55 mm
L/W Ratio1.56
Culet sizeNone
Top View
7.08 mm4.55 mm1.51 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7558636517
Side View
Table 57.0%Crown 38.5°Girdle: MED-THKPavilion 39.8°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: Nov 1
Current: $11,634 AUD|Low: $5,030 AUD|High: $12,320 AUD|Avg: $7,538 AUD|-5.3%
MOH London
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
November 2, 2026
Retailer 17$5,612 AUD
Retailer 13$5,767 AUD
Retailer 6$5,771 AUD
Retailer 18$5,840 AUD
Retailer 7$6,109 AUD
Retailer 5$6,570 AUD
Retailer 10$7,034 AUD
Retailer 8$7,051 AUD
Retailer 11$7,186 AUD
Retailer 4$7,431 AUD
Retailer 14$7,431 AUD
Retailer 15$7,673 AUD
Retailer 9$8,063 AUD
Retailer 16$8,064 AUD
Retailer 12$8,129 AUD
Retailer 2$8,822 AUD
Retailer 3$10,574 AUD
MOH London$11,634 AUD

29 data points across 18 retailers

18 retailers$5,612 AUD to $11,634 AUD

A
Cheapest Retailer
-
$5,612 AUD
$3,942 USD
B+
Retailer 2
-
$5,767 AUD
$4,051 USD
View
A
Retailer 3
-
$5,771 AUD
$4,054 USD
View
A
Retailer 4
-
$5,840 AUD
$4,102 USD
View
A
Retailer 5
-
$6,109 AUD
$4,291 USD
View
Final sale: no returns
A
Retailer 6
-
$6,281 AUD
$4,412 USD
View
A
Retailer 7
-
$6,570 AUD
$4,615 USD
View
A
Retailer 8
-
$7,051 AUD
$4,953 USD
View
A
Retailer 9
-
$7,186 AUD
£3,974 GBP
View
B+
Retailer 10
-
$7,258 AUD
$5,098 USD
View
B+
Retailer 11
-
$7,431 AUD
$5,220 USD
View
B+
Retailer 12
-
$7,431 AUD
$5,220 USD
View
B+
Retailer 13
-
$7,673 AUD
$5,390 USD
View
B+
Retailer 14
-
$8,064 AUD
£4,460 GBP
View
B+
Retailer 15
-
$8,129 AUD
€5,438 EUR
View
B+
Retailer 16
-
$8,822 AUD
£4,879 GBP
View
B
Retailer 17
-
$10,574 AUD
$7,428 USD
View
Most Expensive
B
MOH London
15B7596B2 · Nov 1
$11,634 AUD
£6,435 GBP
View
17 more retailers have this diamond
Prices start from $5,612 AUDSave up to $6,022 AUD

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
$5,612 AUD