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Round|Natural|GIA

4.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1182031705

Certificate GIA 1182031705

Diamond specifications and retailer prices

From $71,723 NZD
$40,355 USD
As of November 1, 2026
Save $58,342 NZD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $130,065 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 4ct natural round diamond

This 4ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1182031705. Listed at 11 retailers as of November 1, 2026, with prices from $71,723 to $130,065, a $58,342 spread on the same certified stone. MOH London lists it at $130,065. 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

4.00
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1182031705
Dimensions10.18 × 10.16 × 6.29 mm
L/W Ratio1.00
Culet sizeNone
Top View
10.18 mm10.16 mm4.00 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1182031705
Side View
Table 57.0%Crown 35°Girdle: THN-THKPavilion 41°Culet: NoneDepth 61.8%

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: Nov 1
Current: $130,065 NZD|Low: $71,723 NZD|High: $136,715 NZD|Avg: $88,194 NZD|-4.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5$71,723 NZD
Retailer 10$75,228 NZD
Retailer 11$76,056 NZD
Retailer 9$76,281 NZD
Retailer 8$79,743 NZD
Retailer 2$82,626 NZD
Retailer 3$86,555 NZD
Retailer 6$86,555 NZD
Retailer 7$89,434 NZD
Retailer 4$97,509 NZD
MOH London$130,065 NZD

41 data points across 11 retailers

11 retailers$71,723 NZD to $130,065 NZD

A
Cheapest Retailer
-
$71,723 NZD
$40,355 USD
A
Retailer 2
-
$75,228 NZD
$42,327 USD
View
A
Retailer 3
-
$76,056 NZD
$42,793 USD
View
A
Retailer 4
-
$76,281 NZD
$42,920 USD
View
Retailer 5
-
$79,743 NZD
A$69,027 AUD
View
Price last confirmed 29 days ago
A
Retailer 6
-
$82,626 NZD
£36,606 GBP
View
B+
Retailer 7
-
$86,555 NZD
$48,700 USD
View
B+
Retailer 8
-
$86,555 NZD
$48,700 USD
View
B+
Retailer 9
-
$89,434 NZD
$50,320 USD
View
B+
Retailer 10
-
$97,509 NZD
€52,251 EUR
View
Most Expensive
B
MOH London
AE8168CD0 · Nov 1
$130,065 NZD
£57,623 GBP
View
10 more retailers have this diamond
Prices start from $71,723 NZDSave up to $58,342 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
4.00ct Round
$71,723 NZD