Round|Natural|GIA

0.43ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6551631791

Certificate GIA 6551631791

Diamond specifications and retailer prices

From $900 NZD
$507 USD
As of October 28, 2026
Save $1,602 NZD (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,501 NZD 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 $900 to $2,501, a $1,602 spread on the same certified stone. Queensmith lists it at $2,501. 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: $2,501 NZD|Low: $675 NZD|High: $2,512 NZD|Avg: $1,256 NZD|+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
November 2, 2026
Retailer 8$675 NZD
Retailer 9$693 NZD
Retailer 14$900 NZD
Retailer 12$914 NZD
Retailer 3$935 NZD
Retailer 15$969 NZD
Retailer 16$969 NZD
Retailer 7$1,037 NZD
Retailer 17$1,038 NZD
Retailer 6$1,103 NZD
Retailer 4$1,109 NZD
Retailer 5$1,205 NZD
Retailer 10$1,210 NZD
Retailer 11$1,468 NZD
Retailer 2$2,042 NZD
Retailer 13$2,292 NZD
Queensmith$2,501 NZD

35 data points across 17 retailers

14 retailers$900 NZD to $2,501 NZD

A
Cheapest Retailer
-
$900 NZD
$507 USD
A
Retailer 2
-
$914 NZD
$515 USD
View
A
Retailer 3
-
$935 NZD
$527 USD
View
A
Retailer 4
-
$942 NZD
$531 USD
View
A
Retailer 5
-
$969 NZD
$546 USD
View
A
Retailer 6
-
$969 NZD
$546 USD
View
Retailer 7
-
$1,038 NZD
$585 USD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$1,103 NZD
$622 USD
View
B+
Retailer 9
-
$1,205 NZD
$679 USD
View
B+
Retailer 10
-
$1,210 NZD
£537 GBP
View
B+
Retailer 11
-
$1,468 NZD
€788 EUR
View
B
Retailer 12
-
$2,042 NZD
£906 GBP
View
B
Retailer 13
-
$2,292 NZD
£1,017 GBP
View
Most Expensive
B
Queensmith
6551631791 · Oct 27
$2,501 NZD
£1,110 GBP
View
13 more retailers have this diamond
Prices start from $900 NZDSave up to $1,602 NZD

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
$900 NZD