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Oval|Natural|GIA

0.75ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 5566600357

Certificate GIA 5566600357

Diamond specifications and retailer prices

From $1,339 AUD
As of November 4, 2026
Save $1,061 AUD (44%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,400 AUD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 0.75ct natural oval diamond

This 0.75ct natural oval sits in the just-under-one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566600357. Listed at 10 retailers as of November 4, 2026, with prices from $1,339 to $2,400, a $1,061 spread on the same certified stone. Helzberg Diamonds lists it at $2,400. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.75
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566600357
Dimensions6.91 × 5.05 × 3.26 mm
L/W Ratio1.37
Culet sizeNone
Top View
6.91 mm5.05 mm0.75 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5566600357
Side View
Table 62.0%CrownGirdle: VTN-VTKPavilionCulet: 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: Nov 4
Current: $2,400 AUD|Low: $1,339 AUD|High: $2,400 AUD|Avg: $1,723 AUD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$1,339 AUD
Retailer 2$1,438 AUD
Retailer 4$1,460 AUD
Retailer 10$1,474 AUD
Retailer 9$1,665 AUD
Retailer 6$1,943 AUD
Retailer 7$2,042 AUD
Retailer 5$2,051 AUD
Retailer 3$2,189 AUD
Helzberg Diamonds$2,400 AUD

4 data points across 10 retailers

10 retailers$1,339 AUD to $2,400 AUD

A
Cheapest Retailer
-
$1,339 AUD
A
Retailer 2
-
$1,438 AUD
View
A
Retailer 3
-
$1,460 AUD
View
A
Retailer 4
-
$1,474 AUD
View
B+
Retailer 5
-
$1,665 AUD
View
B+
Retailer 6
-
$1,943 AUD
View
B+
Retailer 7
-
$2,042 AUD
View
B
Retailer 8
-
$2,051 AUD
View
B
Retailer 9
-
$2,189 AUD
View
Most Expensive
B
Helzberg Diamonds
XZRLLMMMGGJLN · Nov 6
$2,400 AUD
$1,649 USD
View
9 more retailers have this diamond
Prices start from $1,339 AUDSave up to $1,061 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
0.75ct Oval
$1,339 AUD