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Round|Natural|GIA

0.43ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6551631791

Certificate GIA 6551631791

Diamond specifications and retailer prices

From $722 AUD
$507 USD
As of October 28, 2026
Save $1,285 AUD (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,007 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 0.43ct natural round diamond

This 0.43ct natural round sits in the sub-half-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551631791. Listed at 14 retailers as of October 27, 2026, with prices from $722 to $2,007, a $1,285 spread on the same certified stone. Queensmith lists it at $2,007. 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

0.43
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6551631791
Dimensions4.86 × 4.87 × 2.96 mm
L/W Ratio1.00
Culet sizeNone
Top View
4.86 mm4.87 mm0.43 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551631791
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.7%

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 28
Current: $2,007 AUD|Low: $541 AUD|High: $2,016 AUD|Avg: $991 AUD|+2.3%
Queensmith
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 1, 2026
Retailer 8$541 AUD
Retailer 9$556 AUD
Retailer 15$722 AUD
Retailer 12$733 AUD
Retailer 10$737 AUD
Retailer 3$750 AUD
Retailer 16$777 AUD
Retailer 17$777 AUD
Retailer 7$832 AUD
Retailer 18$833 AUD
Retailer 6$885 AUD
Retailer 4$889 AUD
Retailer 5$967 AUD
Retailer 14$971 AUD
Retailer 2$1,178 AUD
Retailer 11$1,638 AUD
Retailer 13$1,839 AUD
Queensmith$2,007 AUD

34 data points across 18 retailers

14 retailers$722 AUD to $2,007 AUD

A
Cheapest Retailer
-
$722 AUD
$507 USD
A
Retailer 2
-
$733 AUD
$515 USD
View
A
Retailer 3
-
$750 AUD
$527 USD
View
A
Retailer 4
-
$756 AUD
$531 USD
View
A
Retailer 5
-
$777 AUD
$546 USD
View
A
Retailer 6
-
$777 AUD
$546 USD
View
Retailer 7
-
$833 AUD
$585 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$885 AUD
$622 USD
View
B+
Retailer 9
-
$967 AUD
$679 USD
View
B+
Retailer 10
-
$971 AUD
£537 GBP
View
B+
Retailer 11
-
$1,178 AUD
€788 EUR
View
B
Retailer 12
-
$1,638 AUD
£906 GBP
View
B
Retailer 13
-
$1,839 AUD
£1,017 GBP
View
Most Expensive
B
Queensmith
6551631791 · Oct 27
$2,007 AUD
£1,110 GBP
View
13 more retailers have this diamond
Prices start from $722 AUDSave up to $1,285 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
0.43ct Round
$722 AUD