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Round|Natural|IGI

1.80ct I FL Round Natural Diamond

EX • I/FL • IGI 735528623

Shape and cutting style on the report: Round brilliant

Certificate IGI 735528623

Diamond specifications and retailer prices

From $12,364 NZD
As of November 5, 2026
Save $7,519 NZD (38%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $25,920 NZD at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 1.8ct natural round diamond

This 1.8ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 735528623. Listed at 15 retailers as of November 4, 2026, with a 61% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
I
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 735528623
Dimensions7.64 × 7.69 × 4.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.64 mm7.69 mm1.80 ctI / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 735528623
Side View
Table 57.0%Crown 36.5°Girdle: Slightly ThickPavilion 40.4°Culet: NoneDepth 63.2%

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 5
Current: $14,604 NZD|Low: $12,364 NZD|High: $21,858 NZD|Avg: $16,075 NZD|-5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$12,364 NZD
Retailer 7$13,051 NZD
Retailer 2$13,365 NZD
Retailer 9$14,305 NZD
Retailer 1$14,604 NZD
Retailer 8$15,450 NZD
Retailer 4$15,542 NZD
Retailer 3$17,451 NZD
Retailer 6$19,883 NZD

41 data points across 9 retailers

15 retailers$12,364 NZD to $19,883 NZD

A
Cheapest Retailer
-
$12,364 NZD
A
Retailer 2
-
$13,051 NZD
View
A
Retailer 3
-
$13,365 NZD
View
A
Retailer 4
-
$14,604 NZD
View
A
Retailer 5
-
$15,450 NZD
View
Retailer 6
-
$15,497 NZD
View
Price last confirmed 50 days ago
Retailer 7
-
$15,497 NZD
View
Price last confirmed 29 days ago
A
Retailer 8
-
$15,542 NZD
View
Retailer 9
-
$15,735 NZD
View
Price last confirmed 38 days ago
A
Retailer 10
-
$17,451 NZD
View
Retailer 11
-
$17,882 NZD
View
Price last confirmed 28 days ago
Retailer 12
-
$17,882 NZD
View
Price last confirmed 45 days ago
B+
Retailer 13
-
$19,883 NZD
View
Retailer 14
-
$25,920 NZD
View
Price last confirmed 48 days ago
Most Expensive
NZ Jewellers
e9bc5ddb-d56b-4332-a872-a66b2c276358 · Sep 26
$25,920 NZD
$14,369 USD
View
Price last confirmed 41 days ago
14 more retailers have this diamond
Prices start from $12,364 NZDSave up to $7,519 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
1.80ct Round
$12,364 NZD