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Round|Natural|IGI

5.51ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 774673280

Shape and cutting style on the report: Round brilliant

Certificate IGI 774673280

Diamond specifications and retailer prices

From $70,861 NZD
₹3,803,580 INR
As of November 1, 2026
Save $51,987 NZD (42%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $122,849 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 5.51ct natural round diamond

This 5.51ct natural round sits in the over five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 774673280. Listed at 15 retailers as of November 1, 2026, with prices from $70,861 to $122,849, a $51,987 spread on the same certified stone. MOH London lists it at $122,849. 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

5.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.2°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 774673280
Dimensions11.24 × 11.30 × 7.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
11.24 mm11.30 mm5.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 774673280
Side View
Table 57.0%Crown 36.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

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: $122,849 NZD|Low: $70,715 NZD|High: $124,329 NZD|Avg: $88,190 NZD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 2$70,861 NZD
Retailer 14$76,774 NZD
Retailer 4$77,720 NZD
Retailer 6$79,590 NZD
Retailer 13$81,937 NZD
Retailer 15$83,780 NZD
Retailer 3$84,020 NZD
Retailer 7$84,393 NZD
Retailer 9$86,825 NZD
Retailer 10$90,443 NZD
Retailer 11$94,061 NZD
Retailer 8$95,017 NZD
Retailer 5$96,706 NZD
Retailer 12$97,679 NZD
MOH London$122,849 NZD

37 data points across 15 retailers

15 retailers$70,861 NZD to $122,849 NZD

A
Cheapest Retailer
-
$70,861 NZD
₹3,803,580 INR
A
Retailer 2
-
$76,774 NZD
$43,270 USD
View
A
Retailer 3
-
$77,720 NZD
$43,803 USD
View
A
Retailer 4
-
$79,590 NZD
$44,857 USD
View
Final sale: no returns
A
Retailer 5
-
$81,937 NZD
$46,180 USD
View
A
Retailer 6
-
$83,780 NZD
SGD 63,809 SGD
View
Retailer 7
-
$84,020 NZD
£37,286 GBP
View
Price last confirmed 33 days ago
A
Retailer 8
-
$84,393 NZD
$47,564 USD
View
A
Retailer 9
-
$86,825 NZD
$48,935 USD
View
B+
Retailer 10
-
$90,443 NZD
$50,974 USD
View
B+
Retailer 11
-
$94,061 NZD
$53,013 USD
View
A
Retailer 12
-
$95,017 NZD
€51,002 EUR
View
B+
Retailer 13
-
$96,706 NZD
$54,504 USD
View
B+
Retailer 14
-
$97,679 NZD
$55,052 USD
View
Most Expensive
B+
MOH London
02C834C4E · Nov 1
$122,849 NZD
£54,518 GBP
View
14 more retailers have this diamond
Prices start from $70,861 NZDSave up to $51,987 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
5.51ct Round
$70,861 NZD