Oval|Natural|GIA

4.01ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 2278421700

Certificate GIA 2278421700

Diamond specifications and retailer prices

From $71,990 USD
As of October 30, 2026
Save $10,448 USD (13%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $82,438 USD at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 4.01ct natural oval diamond

This 4.01ct 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 2278421700. Listed at 3 retailers as of October 30, 2026, with a relatively tight 15% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

4.01
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2278421700
Dimensions12.56 × 8.88 × 5.54 mm
L/W Ratio1.41
Top View
12.56 mm8.88 mm4.01 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2278421700
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $82,438 USD|Low: $71,990 USD|High: $83,156 USD|Avg: $77,204 USD|+1.5%
77 Diamonds
Retailer 2
October 30, 2026
Retailer 2$71,990 USD
77 Diamonds$82,438 USD

30 data points across 2 retailers

3 retailers$71,990 USD to $82,438 USD

B+
Cheapest Retailer
-
$71,990 USD
Retailer 2
-
$71,990 USD
View
Price last confirmed 10 days ago
Most Expensive
B
77 Diamonds
OVMBMWTD4CXE · Oct 30
$82,438 USD
£64,912 GBP
View
2 more retailers have this diamond
Prices start from $71,990 USDSave up to $10,448 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.

B+
4.01ct Oval
$71,990 USD