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Oval|Natural|IGI

5.99ct G SI1 Oval Natural Diamond

VG • G/SI1 • IGI 747581979

Shape and cutting style on the report: Oval brilliant

Certificate IGI 747581979

Diamond specifications and retailer prices

From $150,787 NZD
$84,984 USD
As of November 1, 2026
Save $84,633 NZD (36%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $235,420 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 5.99ct natural oval diamond

This 5.99ct natural oval sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 747581979. Listed at 13 retailers as of November 1, 2026, with prices from $150,787 to $235,420, a $84,633 spread on the same certified stone. MOH London lists it at $235,420. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.99
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle39.2°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 747581979
Dimensions14.09 × 10.09 × 6.43 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Top View
14.09 mm10.09 mm5.99 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 747581979
Side View
Table 56.0%Crown 39.2°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 63.7%

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: $235,420 NZD|Low: $152,538 NZD|High: $238,257 NZD|Avg: $178,507 NZD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3$153,465 NZD
Retailer 8$157,020 NZD
Retailer 4$159,087 NZD
Retailer 9$173,321 NZD
Retailer 7$180,253 NZD
Retailer 2$181,979 NZD
Retailer 5$182,388 NZD
Retailer 6$187,187 NZD
MOH London$235,420 NZD

33 data points across 9 retailers

13 retailers$150,787 NZD to $235,420 NZD

A
Cheapest Retailer
-
$150,787 NZD
$84,984 USD
A
Retailer 2
-
$152,522 NZD
$85,962 USD
View
Final sale: no returns
A
Retailer 3
-
$153,465 NZD
£68,105 GBP
View
A
Retailer 4
-
$157,020 NZD
$88,497 USD
View
A
Retailer 5
-
$159,087 NZD
£70,600 GBP
View
A
Retailer 6
-
$160,760 NZD
$90,605 USD
View
B+
Retailer 7
-
$173,321 NZD
$97,684 USD
View
B+
Retailer 8
-
$180,253 NZD
$101,591 USD
View
A
Retailer 9
-
$181,979 NZD
€97,680 EUR
View
A
Retailer 10
-
$182,388 NZD
ZAR 1,660,651 ZAR
View
B+
Retailer 11
-
$185,432 NZD
$104,510 USD
View
B+
Retailer 12
-
$187,187 NZD
$105,499 USD
View
Most Expensive
B+
MOH London
6327D3BC4 · Nov 1
$235,420 NZD
£104,475 GBP
View
12 more retailers have this diamond
Prices start from $150,787 NZDSave up to $84,633 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
5.99ct Oval
$150,787 NZD