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Round|Natural|IGI

1.55ct H IF Round Natural Diamond

EX • H/IF • IGI 758571978

Shape and cutting style on the report: Round brilliant

Certificate IGI 758571978

Diamond specifications and retailer prices

From €5,906 EUR
$6,624 USD
As of October 30, 2026
Save €5,420 EUR (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €11,326 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 758571978. Listed at 14 retailers as of October 30, 2026, with prices from €5,906 to €11,326, a €5,420 spread on the same certified stone. NZ Jewellers lists it at €11,326. 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 angle36.1°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 758571978
Dimensions7.31 × 7.36 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.31 mm7.36 mm1.55 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 758571978
Side View
Table 58.0%Crown 36.1°Girdle: THN-STKPavilion 40.7°Culet: NoneDepth 62.3%

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: Oct 30
Current: €11,326 EUR|Low: €5,684 EUR|High: €11,326 EUR|Avg: €7,206 EUR
NZ Jewellers
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
October 31, 2026
Retailer 3€5,684 EUR
Retailer 4€5,906 EUR
Retailer 6€5,942 EUR
Retailer 8€6,168 EUR
Retailer 5€6,250 EUR
Retailer 10€6,251 EUR
Retailer 7€6,310 EUR
Retailer 14€6,798 EUR
Retailer 11€6,876 EUR
Retailer 9€7,399 EUR
Retailer 2€7,813 EUR
Retailer 12€8,246 EUR
Retailer 13€9,449 EUR
NZ Jewellers€11,326 EUR

16 data points across 14 retailers

14 retailers€5,906 EUR to €11,326 EUR

Retailer 1
-
€5,684 EUR
$6,375 USD
Price last confirmed 12 days ago
A
Retailer 2
-
€5,906 EUR
$6,624 USD
View
A
Retailer 3
-
€5,942 EUR
$6,665 USD
View
A
Retailer 4
-
€6,168 EUR
£5,447 GBP
View
A
Retailer 5
-
€6,250 EUR
$7,010 USD
View
Final sale: no returns
A
Retailer 6
-
€6,251 EUR
$7,011 USD
View
A
Retailer 7
-
€6,310 EUR
£5,572 GBP
View
A
Retailer 8
-
€6,798 EUR
$7,625 USD
View
A
Retailer 9
-
€6,876 EUR
$7,712 USD
View
A
Retailer 10
-
€7,399 EUR
View
B+
Retailer 11
-
€7,813 EUR
$8,763 USD
View
B+
Retailer 12
-
€8,246 EUR
ZAR 149,410 ZAR
View
B+
Retailer 13
-
€9,449 EUR
£8,345 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
f19fa746-1d69-4ce7-b7c4-89365ee7ff55 · Oct 30
€11,326 EUR
$12,703 USD
View
13 more retailers have this diamond
Prices start from €5,906 EURSave up to €5,420 EUR

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
€5,906 EUR