Round|Natural|GIA

4.01ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1528881482

Certificate GIA 1528881482

Diamond specifications and retailer prices

From $100,624 NZD
$56,712 USD
As of October 30, 2026
Save $71,073 NZD (41%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $171,697 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 4.01ct natural round diamond

This 4.01ct natural round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1528881482. Listed at 10 retailers as of October 30, 2026, with prices from $100,624 to $171,697, a $71,073 spread on the same certified stone. MOH London lists it at $171,697. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1528881482
Dimensions10.14 × 10.10 × 6.35 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud
Top View
10.14 mm10.10 mm4.01 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1528881482
Side View
Table 57.0%Crown 36.5°Girdle: MediumPavilion 41°Culet: NoneDepth 62.8%

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: $171,697 NZD|Low: $95,635 NZD|High: $173,766 NZD|Avg: $120,613 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4$95,635 NZD
Retailer 5$100,775 NZD
Retailer 3$109,454 NZD
Retailer 6$114,519 NZD
Retailer 7$114,519 NZD
Retailer 8$119,100 NZD
Retailer 9$123,679 NZD
Retailer 2$130,126 NZD
MOH London$171,697 NZD

40 data points across 9 retailers

10 retailers$100,624 NZD to $171,697 NZD

Retailer 1
-
$95,635 NZD
$53,900 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$100,624 NZD
$56,712 USD
View
A
Retailer 3
-
$100,775 NZD
$56,797 USD
View
Final sale: no returns
A
Retailer 4
-
$109,454 NZD
£48,574 GBP
View
B+
Retailer 5
-
$114,519 NZD
$64,543 USD
View
B+
Retailer 6
-
$114,519 NZD
$64,543 USD
View
B+
Retailer 7
-
$119,100 NZD
$67,125 USD
View
B+
Retailer 8
-
$123,679 NZD
$69,706 USD
View
B+
Retailer 9
-
$130,126 NZD
€69,847 EUR
View
Most Expensive
B
MOH London
C718A22AE · Nov 1
$171,697 NZD
£76,196 GBP
View
9 more retailers have this diamond
Prices start from $100,624 NZDSave up to $71,073 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
4.01ct Round
$100,624 NZD