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Round|Lab Grown|IGI

1.59ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG844678660

Shape and cutting style on the report: Round brilliant

Certificate IGI LG844678660

Diamond specifications and retailer prices

From £222 GBP
$297 USD
As of November 1, 2026
Save £1,219 GBP (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,440 GBP at Rare Carat · As of October 28, 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 LG844678660 or 844678660. Listed at 21 retailers as of October 28, 2026, with prices from £222 to £1,440, a £1,219 spread on the same certified stone. Rare Carat lists it at £1,440. 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 angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844678660
Dimensions7.43 × 7.46 × 4.64 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.43 mm7.46 mm1.59 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844678660
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,440 GBP|Low: £214 GBP|High: £1,444 GBP|Avg: £644 GBP|-0.3%
Rare Carat
Retailer 2
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Retailer 21
November 2, 2026
Retailer 15£222 GBP
Retailer 21£248 GBP
Retailer 7£257 GBP
Retailer 5£275 GBP
Retailer 10£275 GBP
Retailer 11£369 GBP
Retailer 17£390 GBP
Retailer 18£392 GBP
Retailer 3£441 GBP
Retailer 8£471 GBP
Retailer 13£474 GBP
Retailer 2£482 GBP
Retailer 4£639 GBP
Retailer 20£664 GBP
Retailer 19£696 GBP
Retailer 6£883 GBP
Retailer 9£919 GBP
Retailer 14£1,056 GBP
Retailer 16£1,100 GBP
Retailer 12£1,121 GBP
Rare Carat£1,440 GBP

17 data points across 21 retailers

21 retailers£222 GBP to £1,440 GBP

A
Cheapest Retailer
-
£222 GBP
$297 USD
A
Retailer 2
-
£248 GBP
$332 USD
View
Final sale: no returns
A
Retailer 3
-
£257 GBP
$344 USD
View
Retailer 4
-
£275 GBP
$368 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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£275 GBP
$368 USD
View
A
Retailer 6
-
£369 GBP
$495 USD
View
A
Retailer 7
-
£390 GBP
View
A
Retailer 8
-
£392 GBP
$525 USD
View
A
Retailer 9
-
£441 GBP
€563 EUR
View
A
Retailer 10
-
£471 GBP
$631 USD
View
A
Retailer 11
-
£474 GBP
ZAR 10,253 ZAR
View
A
Retailer 12
-
£482 GBP
View
A
Retailer 13
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£639 GBP
A$1,317 AUD
View
B+
Retailer 14
-
£664 GBP
$890 USD
View
B+
Retailer 15
-
£696 GBP
$933 USD
View
B+
Retailer 16
-
£883 GBP
$1,183 USD
View
B+
Retailer 17
-
£919 GBP
$1,231 USD
View
B+
Retailer 18
-
£1,056 GBP
$1,415 USD
View
B
Retailer 19
-
£1,100 GBP
View
B
Retailer 20
-
£1,121 GBP
$1,503 USD
View
Most Expensive
B
Rare Carat
NJ35 126 · Oct 28
£1,440 GBP
$1,930 USD
View
20 more retailers have this diamond
Prices start from £222 GBPSave up to £1,219 GBP

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
£222 GBP