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Round|Natural|GIA

4.51ct D IF Round Natural Diamond

EX • D/IF • GIA 2245085535

Certificate GIA 2245085535

Diamond specifications and retailer prices

From $341,370 NZD
HK$1,503,100 HKD
As of October 30, 2026
Save $154,690 NZD (31%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $496,059 NZD at Yorxs · As of October 29, 2026
View at Yorxs

About this 4.51ct natural round diamond

This 4.51ct natural round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2245085535. Listed at 5 retailers as of October 29, 2026, with prices from $341,370 to $496,059, a $154,690 spread on the same certified stone. Yorxs lists it at $496,059. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

4.51
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2245085535
Dimensions10.45 × 10.54 × 6.53 mm
L/W Ratio1.01
Top View
10.45 mm10.54 mm4.51 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245085535
Side View
Table 58.0%CrownGirdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.2%

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 30
Current: $460,482 NZD|Low: $341,370 NZD|High: $496,059 NZD|Avg: $421,046 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
October 31, 2026
Retailer 4$341,370 NZD
Retailer 3$403,490 NZD
Retailer 2$425,880 NZD
Retailer 1$460,482 NZD
Yorxs$496,059 NZD

3 data points across 5 retailers

5 retailers$341,370 NZD to $496,059 NZD

A
Cheapest Retailer
-
$341,370 NZD
HK$1,503,100 HKD
A
Retailer 2
-
$403,490 NZD
£179,062 GBP
View
B+
Retailer 3
-
$425,880 NZD
$240,027 USD
View
B+
Retailer 4
-
$460,482 NZD
$259,529 USD
View
Most Expensive
B+
Yorxs
1904429 · Oct 29
$496,059 NZD
€266,267 EUR
View
4 more retailers have this diamond
Prices start from $341,370 NZDSave up to $154,690 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
4.51ct Round
$341,370 NZD