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1.55ct H IF Round Natural Diamond

EX • H/IF • IGI 790691800

Shape and cutting style on the report: Round brilliant

Certificate IGI 790691800

Diamond specifications and retailer prices

From $11,058 NZD
₹592,557 INR
As of November 2, 2026
Save $6,941 NZD (39%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $17,999 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 790691800. Listed at 5 retailers as of November 1, 2026, with prices from $11,058 to $17,999, a $6,941 spread on the same certified stone. MOH London lists it at $17,999. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 790691800
Dimensions7.41 × 7.46 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.41 mm7.46 mm1.55 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 790691800
Side View
Table 58.0%Crown 34.7°Girdle: THN-MEDPavilion 40.9°CuletDepth 60.9%

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 2
Current: $17,999 NZD|Low: $10,712 NZD|High: $18,218 NZD|Avg: $13,590 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2$11,058 NZD
Retailer 3$12,550 NZD
Retailer 5$12,699 NZD
Retailer 4$14,050 NZD
MOH London$17,999 NZD

41 data points across 5 retailers

5 retailers$11,058 NZD to $17,999 NZD

A
Cheapest Retailer
-
$11,058 NZD
₹592,557 INR
A
Retailer 2
-
$12,550 NZD
£5,560 GBP
View
A
Retailer 3
-
$12,699 NZD
$7,145 USD
View
A
Retailer 4
-
$14,050 NZD
€7,529 EUR
View
Most Expensive
B+
MOH London
27F9181CB · Nov 1
$17,999 NZD
£7,974 GBP
View
4 more retailers have this diamond
Prices start from $11,058 NZDSave up to $6,941 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
1.55ct Round
$11,058 NZD