Round|Natural|GIA

0.43ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6551631791

Certificate GIA 6551631791

Diamond specifications and retailer prices

From $507 USD
As of October 28, 2026
Save $903 USD (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,410 USD 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 $507 to $1,410, a $903 spread on the same certified stone. Queensmith lists it at $1,410. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,410 USD|Low: $380 USD|High: $1,416 USD|Avg: $697 USD|+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
October 31, 2026
Retailer 7$380 USD
Retailer 8$391 USD
Retailer 13$507 USD
Retailer 9$518 USD
Retailer 17$527 USD
Retailer 14$546 USD
Retailer 15$546 USD
Retailer 6$585 USD
Retailer 16$585 USD
Retailer 5$622 USD
Retailer 3$625 USD
Retailer 4$679 USD
Retailer 2$682 USD
Retailer 10$831 USD
Retailer 11$1,154 USD
Retailer 12$1,299 USD
Queensmith$1,410 USD

33 data points across 17 retailers

14 retailers$507 USD to $1,410 USD

A
Cheapest Retailer
-
$507 USD
Retailer 2
-
$520 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
$527 USD
View
A
Retailer 4
-
$531 USD
View
A
Retailer 5
-
$546 USD
View
A
Retailer 6
-
$546 USD
View
Retailer 7
-
$585 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$622 USD
View
B+
Retailer 9
-
$679 USD
View
B+
Retailer 10
-
$682 USD
£537 GBP
View
B+
Retailer 11
-
$831 USD
€791 EUR
View
B
Retailer 12
-
$1,154 USD
£909 GBP
View
B
Retailer 13
-
$1,299 USD
£1,023 GBP
View
Most Expensive
B
Queensmith
6551631791 · Oct 27
$1,410 USD
£1,110 GBP
View
13 more retailers have this diamond
Prices start from $507 USDSave up to $903 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
0.43ct Round
$507 USD