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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 $11,753 NZD
$6,624 USD
As of October 30, 2026
Save $10,786 NZD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $22,539 NZD 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 $11,753 to $22,539, a $10,786 spread on the same certified stone. NZ Jewellers lists it at $22,539. 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: $22,539 NZD|Low: $11,311 NZD|High: $22,539 NZD|Avg: $14,341 NZD
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$11,311 NZD
Retailer 4$11,753 NZD
Retailer 6$11,826 NZD
Retailer 8$12,274 NZD
Retailer 5$12,438 NZD
Retailer 10$12,440 NZD
Retailer 7$12,557 NZD
Retailer 14$13,529 NZD
Retailer 11$13,683 NZD
Retailer 9$14,725 NZD
Retailer 2$15,548 NZD
Retailer 12$16,410 NZD
Retailer 13$18,804 NZD
NZ Jewellers$22,539 NZD

16 data points across 14 retailers

14 retailers$11,753 NZD to $22,539 NZD

Retailer 1
-
$11,311 NZD
$6,375 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$11,753 NZD
$6,624 USD
View
A
Retailer 3
-
$11,826 NZD
$6,665 USD
View
A
Retailer 4
-
$12,274 NZD
£5,447 GBP
View
A
Retailer 5
-
$12,438 NZD
$7,010 USD
View
Final sale: no returns
A
Retailer 6
-
$12,440 NZD
$7,011 USD
View
A
Retailer 7
-
$12,557 NZD
£5,572 GBP
View
A
Retailer 8
-
$13,529 NZD
$7,625 USD
View
A
Retailer 9
-
$13,683 NZD
$7,712 USD
View
A
Retailer 10
-
$14,725 NZD
€7,904 EUR
View
B+
Retailer 11
-
$15,548 NZD
$8,763 USD
View
B+
Retailer 12
-
$16,410 NZD
ZAR 149,410 ZAR
View
B+
Retailer 13
-
$18,804 NZD
£8,345 GBP
View
Most Expensive
B
NZ Jewellers
f19fa746-1d69-4ce7-b7c4-89365ee7ff55 · Oct 30
$22,539 NZD
$12,703 USD
View
13 more retailers have this diamond
Prices start from $11,753 NZDSave up to $10,786 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
$11,753 NZD