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Round|Natural|GIA

4.57ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6204158059

Certificate GIA 6204158059

Diamond specifications and retailer prices

From $128,165 AUD
$90,029 USD
As of October 30, 2026
Save $91,699 AUD (42%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $219,864 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 4.57ct natural round diamond

This 4.57ct natural round sits in the three to five carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6204158059. Listed at 8 retailers as of October 29, 2026, with prices from $128,165 to $219,864, a $91,699 spread on the same certified stone. MOH London lists it at $219,864. 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

4.57
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6204158059
Dimensions10.69 × 10.76 × 6.49 mm
L/W Ratio1.01
Top View
10.69 mm10.76 mm4.57 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6204158059
Side View
Table 58.0%Crown 36°Girdle: THN-MEDPavilion 40.8°Culet: Very SmallDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $219,864 AUD|Low: $139,832 AUD|High: $221,328 AUD|Avg: $167,781 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 2$140,681 AUD
Retailer 4$140,889 AUD
Retailer 3$167,106 AUD
MOH London$219,864 AUD

39 data points across 4 retailers

8 retailers$128,165 AUD to $219,864 AUD

B+
Cheapest Retailer
-
$128,165 AUD
$90,029 USD
B+
Retailer 2
-
$140,681 AUD
£77,812 GBP
View
B+
Retailer 3
-
$140,889 AUD
$98,967 USD
View
B+
Retailer 4
-
$145,435 AUD
$102,160 USD
View
B+
Retailer 5
-
$145,435 AUD
$102,160 USD
View
B
Retailer 6
-
$150,289 AUD
$105,570 USD
View
B+
Retailer 7
-
$167,106 AUD
€111,793 EUR
View
Most Expensive
B
MOH London
54EAC30D0 · Oct 29
$219,864 AUD
£121,608 GBP
View
7 more retailers have this diamond
Prices start from $128,165 AUDSave up to $91,699 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.

B+
4.57ct Round
$128,165 AUD