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Round|Lab Grown|IGI

1.59ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG805620405

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805620405

Diamond specifications and retailer prices

From $498 AUD
$350 USD
As of November 1, 2026
Save $2,182 AUD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,804 AUD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.59ct lab-grown round diamond

This 1.59ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG805620405 or 805620405. Listed at 21 retailers as of November 1, 2026, with a 438% 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

1.59
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805620405
Dimensions7.42 × 7.45 × 4.62 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.42 mm7.45 mm1.59 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805620405
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.2%

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 1
Current: $2,804 AUD|Low: $484 AUD|High: $2,804 AUD|Avg: $1,414 AUD|+0.3%
Rare Carat
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 20$498 AUD
Retailer 9$578 AUD
Retailer 4$618 AUD
Retailer 12$618 AUD
Retailer 3$829 AUD
Retailer 19$833 AUD
Retailer 2$975 AUD
Retailer 5$985 AUD
Retailer 13$1,065 AUD
Retailer 14$1,099 AUD
Retailer 6$1,354 AUD
Retailer 18$1,434 AUD
Retailer 17$1,445 AUD
Retailer 7$1,986 AUD
Retailer 8$2,004 AUD
Retailer 11$2,046 AUD
Retailer 16$2,201 AUD
Retailer 15$2,414 AUD
Retailer 10$2,681 AUD
Rare Carat$2,804 AUD

35 data points across 20 retailers

21 retailers$498 AUD to $2,681 AUD

A
Cheapest Retailer
-
$498 AUD
$350 USD
A
Retailer 2
-
$578 AUD
$406 USD
View
A
Retailer 3
-
$618 AUD
$434 USD
View
Retailer 4
-
$618 AUD
$434 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$692 AUD
HK$3,800 HKD
View
A
Retailer 6
-
$829 AUD
$582 USD
View
A
Retailer 7
-
$833 AUD
$585 USD
View
A
Retailer 8
-
$975 AUD
€652 EUR
View
A
Retailer 9
-
$985 AUD
$692 USD
View
A
Retailer 10
-
$1,065 AUD
ZAR 12,091 ZAR
View
A
Retailer 11
-
$1,099 AUD
£608 GBP
View
B+
Retailer 12
-
$1,354 AUD
$951 USD
View
B+
Retailer 13
-
$1,434 AUD
View
B+
Retailer 14
-
$1,445 AUD
$1,015 USD
View
B
Retailer 15
-
$1,986 AUD
$1,395 USD
View
B
Retailer 16
-
$2,004 AUD
SGD 1,902 SGD
View
B
Retailer 17
-
$2,046 AUD
$1,437 USD
View
B
Retailer 18
-
$2,201 AUD
$1,546 USD
View
B
Retailer 19
-
$2,414 AUD
£1,335 GBP
View
B
Retailer 20
-
$2,681 AUD
$1,883 USD
View
Most Expensive
Rare Carat
AJ-36114305 · Oct 21
$2,804 AUD
$1,970 USD
View
Price last confirmed 11 days ago
20 more retailers have this diamond
Prices start from $498 AUDSave up to $2,182 AUD

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
1.59ct Round
$498 AUD