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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 $7,235 USD
As of October 30, 2026
Save $4,493 USD (38%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $14,369 USD 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 October 29, 2026, with a 62% 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
Color
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: Oct 30
Current: $7,955 USD|Low: $7,235 USD|High: $12,117 USD|Avg: $9,020 USD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 8$7,235 USD
Retailer 5$7,700 USD
Retailer 1$7,955 USD
Retailer 7$8,550 USD
Retailer 6$8,566 USD
Retailer 2$8,925 USD
Retailer 4$10,192 USD
Retailer 3$11,728 USD

37 data points across 8 retailers

15 retailers$7,235 USD to $11,728 USD

A
Cheapest Retailer
-
$7,235 USD
A
Retailer 2
-
$7,700 USD
View
A
Retailer 3
-
$7,955 USD
£6,264 GBP
View
A
Retailer 4
-
$8,550 USD
View
A
Retailer 5
-
$8,566 USD
View
Retailer 6
-
$8,591 USD
View
Price last confirmed 43 days ago
Retailer 7
-
$8,591 USD
View
Price last confirmed 23 days ago
Retailer 8
-
$8,723 USD
View
Price last confirmed 31 days ago
A
Retailer 9
-
$8,925 USD
€8,500 EUR
View
Retailer 10
-
$9,913 USD
View
Price last confirmed 21 days ago
Retailer 11
-
$9,913 USD
View
Price last confirmed 39 days ago
A
Retailer 12
-
$10,192 USD
ZAR 164,654 ZAR
View
B+
Retailer 13
-
$11,728 USD
£9,235 GBP
View
Retailer 14
-
$14,369 USD
View
Price last confirmed 41 days ago
Most Expensive
NZ Jewellers
e9bc5ddb-d56b-4332-a872-a66b2c276358 · Sep 26
$14,369 USD
View
Price last confirmed 34 days ago
14 more retailers have this diamond
Prices start from $7,235 USDSave up to $4,493 USD

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
$7,235 USD