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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 $350 USD
As of November 1, 2026
Save $1,533 USD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,970 USD 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
Color
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: $1,970 USD|Low: $340 USD|High: $1,970 USD|Avg: $992 USD|+0.3%
Rare Carat
Retailer 2
Retailer 3
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Retailer 6
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Retailer 11
Retailer 12
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Retailer 20
November 1, 2026
Retailer 20$350 USD
Retailer 9$406 USD
Retailer 4$434 USD
Retailer 12$434 USD
Retailer 3$582 USD
Retailer 19$585 USD
Retailer 15$683 USD
Retailer 5$692 USD
Retailer 18$746 USD
Retailer 13$778 USD
Retailer 6$951 USD
Retailer 17$1,008 USD
Retailer 16$1,015 USD
Retailer 7$1,395 USD
Retailer 8$1,407 USD
Retailer 11$1,437 USD
Retailer 14$1,546 USD
Retailer 2$1,695 USD
Retailer 10$1,883 USD
Rare Carat$1,970 USD

34 data points across 20 retailers

21 retailers$350 USD to $1,883 USD

A
Cheapest Retailer
-
$350 USD
A
Retailer 2
-
$406 USD
View
A
Retailer 3
-
$434 USD
View
Retailer 4
-
$434 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$486 USD
HK$3,800 HKD
View
A
Retailer 6
-
$582 USD
View
A
Retailer 7
-
$585 USD
View
A
Retailer 8
-
$683 USD
€650 EUR
View
A
Retailer 9
-
$692 USD
View
A
Retailer 10
-
$746 USD
ZAR 12,049 ZAR
View
A
Retailer 11
-
$778 USD
£613 GBP
View
B+
Retailer 12
-
$951 USD
View
B+
Retailer 13
-
$1,008 USD
A$1,550 AUD
View
B+
Retailer 14
-
$1,015 USD
View
B
Retailer 15
-
$1,395 USD
View
B
Retailer 16
-
$1,407 USD
SGD 1,902 SGD
View
B
Retailer 17
-
$1,437 USD
View
B
Retailer 18
-
$1,546 USD
View
B
Retailer 19
-
$1,695 USD
£1,335 GBP
View
B
Retailer 20
-
$1,883 USD
View
Most Expensive
Rare Carat
AJ-36114305 · Oct 21
$1,970 USD
View
Price last confirmed 11 days ago
20 more retailers have this diamond
Prices start from $350 USDSave up to $1,533 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
1.59ct Round
$350 USD