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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 $57,449 AUD
$40,355 USD
As of November 1, 2026
Save $46,731 AUD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $104,181 AUD 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 $57,449 to $104,181, a $46,731 spread on the same certified stone. MOH London lists it at $104,181. 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: $104,181 AUD|Low: $57,449 AUD|High: $109,507 AUD|Avg: $70,642 AUD|-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$57,449 AUD
Retailer 10$60,257 AUD
Retailer 11$60,920 AUD
Retailer 9$61,100 AUD
Retailer 8$63,874 AUD
Retailer 2$66,183 AUD
Retailer 3$69,329 AUD
Retailer 6$69,329 AUD
Retailer 7$71,636 AUD
Retailer 4$78,104 AUD
MOH London$104,181 AUD

41 data points across 11 retailers

11 retailers$57,449 AUD to $104,181 AUD

A
Cheapest Retailer
-
$57,449 AUD
$40,355 USD
A
Retailer 2
-
$60,257 AUD
$42,327 USD
View
A
Retailer 3
-
$60,920 AUD
$42,793 USD
View
A
Retailer 4
-
$61,100 AUD
$42,920 USD
View
Retailer 5
-
$63,874 AUD
View
Price last confirmed 29 days ago
A
Retailer 6
-
$66,183 AUD
£36,606 GBP
View
B+
Retailer 7
-
$69,329 AUD
$48,700 USD
View
B+
Retailer 8
-
$69,329 AUD
$48,700 USD
View
B+
Retailer 9
-
$71,636 AUD
$50,320 USD
View
B+
Retailer 10
-
$78,104 AUD
€52,251 EUR
View
Most Expensive
B
MOH London
AE8168CD0 · Nov 1
$104,181 AUD
£57,623 GBP
View
10 more retailers have this diamond
Prices start from $57,449 AUDSave up to $46,731 AUD

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
$57,449 AUD