Round|Natural|GIA

4.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 5231250367

Certificate GIA 5231250367

Diamond specifications and retailer prices

From $105,966 NZD
$59,622 USD
As of November 1, 2026
Save $76,648 NZD (42%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $182,614 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 5231250367. Listed at 13 retailers as of November 1, 2026, with prices from $105,966 to $182,614, a $76,648 spread on the same certified stone. MOH London lists it at $182,614. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5231250367
Dimensions10.24 × 10.17 × 6.16 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
10.24 mm10.17 mm4.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231250367
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.4%

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: Nov 1
Current: $182,614 NZD|Low: $105,966 NZD|High: $184,815 NZD|Avg: $134,286 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$105,966 NZD
Retailer 7$110,920 NZD
Retailer 6$113,107 NZD
Retailer 2$116,242 NZD
Retailer 3$141,246 NZD
Retailer 4$146,530 NZD
MOH London$182,614 NZD

41 data points across 7 retailers

13 retailers$105,966 NZD to $182,614 NZD

B+
Cheapest Retailer
-
$105,966 NZD
$59,622 USD
Retailer 2
-
$110,920 NZD
A$96,015 AUD
View
Price last confirmed 29 days ago
B
Retailer 3
-
$113,107 NZD
$63,640 USD
View
B+
Retailer 4
-
$116,242 NZD
£51,499 GBP
View
B
Retailer 5
-
$116,929 NZD
$65,790 USD
View
B
Retailer 6
-
$118,606 NZD
$66,734 USD
View
B
Retailer 7
-
$121,800 NZD
$68,531 USD
View
B
Retailer 8
-
$121,800 NZD
$68,531 USD
View
B
Retailer 9
-
$126,672 NZD
$71,272 USD
View
B
Retailer 10
-
$131,545 NZD
$74,014 USD
View
B
Retailer 11
-
$141,246 NZD
€75,688 EUR
View
B
Retailer 12
-
$146,530 NZD
ZAR 1,331,913 ZAR
View
Most Expensive
B
MOH London
A7ECBE6E4 · Nov 1
$182,614 NZD
£80,904 GBP
View
12 more retailers have this diamond
Prices start from $105,966 NZDSave up to $76,648 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+
4.00ct Round
$105,966 NZD