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Oval|Natural|GIA

4.05ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 2547476406

Certificate GIA 2547476406

Diamond specifications and retailer prices

From $138,072 NZD
$77,818 USD
As of October 31, 2026
Save $81,964 NZD (37%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $220,036 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 4.05ct natural oval diamond

This 4.05ct natural oval sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547476406. Listed at 5 retailers as of October 31, 2026, with prices from $138,072 to $220,036, a $81,964 spread on the same certified stone. MOH London lists it at $220,036. 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

4.05
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2547476406
Dimensions12.55 × 8.98 × 5.51 mm
L/W Ratio1.40
Girdle conditionFaceted
Key to symbols
Crystal, Feather
Top View
12.55 mm8.98 mm4.05 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2547476406
Side View
Table 56.0%CrownGirdlePavilionCulet: NoneDepth 61.4%

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 31
Current: $220,036 NZD|Low: $132,565 NZD|High: $222,688 NZD|Avg: $159,041 NZD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4$133,587 NZD
Retailer 5$138,072 NZD
Retailer 2$141,211 NZD
Retailer 3$160,415 NZD
MOH London$220,036 NZD

36 data points across 5 retailers

5 retailers$138,072 NZD to $220,036 NZD

Retailer 1
-
$133,587 NZD
A$115,831 AUD
Price last confirmed 28 days ago
B+
Retailer 2
-
$138,072 NZD
$77,818 USD
View
B+
Retailer 3
-
$141,211 NZD
£62,667 GBP
View
B+
Retailer 4
-
$160,415 NZD
€86,105 EUR
View
Most Expensive
B
MOH London
8F931C9B8 · Nov 1
$220,036 NZD
£97,648 GBP
View
4 more retailers have this diamond
Prices start from $138,072 NZDSave up to $81,964 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.

B+
4.05ct Oval
$138,072 NZD