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Oval|Natural|GIA

0.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 5563002670

Certificate GIA 5563002670

Diamond specifications and retailer prices

From $946 AUD
As of November 6, 2026
Save $624 AUD (40%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,570 AUD at Frank Darling · As of November 7, 2026
View at Frank Darling

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter 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 5563002670. Listed at 11 retailers as of November 6, 2026, with prices from $946 to $1,570, a $624 spread on the same certified stone. Frank Darling lists it at $1,570. 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

0.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.37°
Pavilion angle39.65°
OriginNatural
Grading LabGIA
CertificateGIA 5563002670
Dimensions6.69 × 4.35 × 2.69 mm
L/W Ratio1.54
Culet sizeNone
Top View
6.69 mm4.35 mm0.51 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5563002670
Side View
Table 59.0%Crown 38.37°Girdle: MED-THKPavilion 39.65°Culet: NoneDepth 61.8%

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 6
Current: $1,570 AUD|Low: $946 AUD|High: $1,627 AUD|Avg: $1,234 AUD|-3.5%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 7$946 AUD
Retailer 2$955 AUD
Retailer 3$955 AUD
Retailer 10$1,016 AUD
Retailer 4$1,112 AUD
Retailer 8$1,243 AUD
Retailer 6$1,330 AUD
Retailer 9$1,338 AUD
Retailer 5$1,403 AUD
Retailer 11$1,426 AUD
Frank Darling$1,570 AUD

29 data points across 11 retailers

11 retailers$946 AUD to $1,570 AUD

A
Cheapest Retailer
-
$946 AUD
A
Retailer 2
-
$955 AUD
View
A
Retailer 3
-
$955 AUD
View
B+
Retailer 4
-
$1,016 AUD
View
B+
Retailer 5
-
$1,112 AUD
View
B+
Retailer 6
-
$1,243 AUD
View
B
Retailer 7
-
$1,330 AUD
View
B
Retailer 8
-
$1,338 AUD
View
B
Retailer 9
-
$1,403 AUD
View
B
Retailer 10
-
$1,426 AUD
View
Most Expensive
B
Frank Darling
2671124HK · Nov 7
$1,570 AUD
$1,079 USD
View
10 more retailers have this diamond
Prices start from $946 AUDSave up to $624 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
0.51ct Oval
$946 AUD