Round|Natural|GIA

0.43ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 3555702206

Certificate GIA 3555702206

Diamond specifications and retailer prices

From $450 USD
As of October 31, 2026
Save $659 USD (59%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,830 USD at NZ Jewellers · As of October 3, 2026
View at NZ Jewellers

About this 0.43ct natural round diamond

This 0.43ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555702206. Listed at 11 retailers as of October 29, 2026, with a 146% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 3555702206
Dimensions4.83 × 4.85 × 3.03 mm
L/W Ratio1.00
Culet sizeNone
Top View
4.83 mm4.85 mm0.43 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555702206
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.5%

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 31
Current: $593 USD|Low: $369 USD|High: $1,116 USD|Avg: $639 USD|+29.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 8$369 USD
Retailer 5$450 USD
Retailer 9$489 USD
Retailer 7$550 USD
Retailer 6$550 USD
Retailer 1$593 USD
Retailer 2$718 USD
Retailer 3$985 USD
Retailer 4$1,109 USD

30 data points across 9 retailers

11 retailers$450 USD to $1,109 USD

Retailer 1
-
$433 USD
Price last confirmed 23 days ago
A
Retailer 2
-
$450 USD
View
Retailer 3
-
$466 USD
View
Price last confirmed 23 days ago
Retailer 4
-
$499 USD
View
Price last confirmed 22 days ago
B+
Retailer 5
-
$513 USD
View
B+
Retailer 6
-
$550 USD
View
B+
Retailer 7
-
$593 USD
£467 GBP
View
B+
Retailer 8
-
$718 USD
€684 EUR
View
B
Retailer 9
-
$985 USD
£776 GBP
View
B
Retailer 10
-
$1,109 USD
£873 GBP
View
Most Expensive
NZ Jewellers
fcefeda2-9eb0-4413-8faf-16f0e0ef57a0 · Oct 3
$1,830 USD
View
Price under review
10 more retailers have this diamond
Prices start from $450 USDSave up to $659 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
$450 USD