Round|Lab Grown|IGI

1.99ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG836607873

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836607873

Diamond specifications and retailer prices

From £434 GBP
$582 USD
As of October 31, 2026
Save £2,073 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,575 GBP at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.99ct lab-grown round diamond

This 1.99ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836607873 or 836607873. Listed at 19 retailers as of October 31, 2026, with a 477% 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

1.99
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836607873
Dimensions8.09 × 8.17 × 4.96 mm
L/W Ratio1.01
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
8.09 mm8.17 mm1.99 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836607873
Side View
Table 56.0%Crown 33.2°Girdle: MediumPavilion 41°Culet: NoneDepth 61.2%

Caratlytics Score

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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: Oct 31
Current: £2,575 GBP|Low: £434 GBP|High: £2,575 GBP|Avg: £1,144 GBP
Rare Carat
Retailer 2
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Retailer 19
November 1, 2026
Retailer 6£434 GBP
Retailer 11£508 GBP
Retailer 18£567 GBP
Retailer 8£646 GBP
Retailer 12£660 GBP
Retailer 4£722 GBP
Retailer 14£767 GBP
Retailer 13£772 GBP
Retailer 17£799 GBP
Retailer 15£1,085 GBP
Retailer 5£1,093 GBP
Retailer 10£1,223 GBP
Retailer 9£1,515 GBP
Retailer 7£1,593 GBP
Retailer 19£1,632 GBP
Retailer 3£1,660 GBP
Retailer 2£1,941 GBP
Retailer 16£2,508 GBP
Rare Carat£2,575 GBP

24 data points across 19 retailers

19 retailers£434 GBP to £2,508 GBP

A
Cheapest Retailer
-
£434 GBP
$582 USD
Final sale: no returns
Retailer 2
-
£508 GBP
$680 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
£567 GBP
$760 USD
View
A
Retailer 4
-
£646 GBP
$865 USD
View
A
Retailer 5
-
£660 GBP
View
A
Retailer 6
-
£722 GBP
$968 USD
View
A
Retailer 7
-
£767 GBP
€979 EUR
View
A
Retailer 8
-
£772 GBP
View
A
Retailer 9
-
£799 GBP
ZAR 17,303 ZAR
View
B+
Retailer 10
-
£1,085 GBP
$1,454 USD
View
B+
Retailer 11
-
£1,093 GBP
$1,465 USD
View
B+
Retailer 12
-
£1,223 GBP
$1,639 USD
View
B+
Retailer 13
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£1,515 GBP
$2,029 USD
View
B+
Retailer 14
-
£1,593 GBP
SGD 2,884 SGD
View
B+
Retailer 15
-
£1,632 GBP
$2,187 USD
View
B+
Retailer 16
-
£1,660 GBP
$2,224 USD
View
B
Retailer 17
-
£1,941 GBP
View
B
Retailer 18
-
£2,508 GBP
$3,360 USD
View
Most Expensive
Rare Carat
JH-248141 · Oct 18
£2,575 GBP
$3,450 USD
View
Price last confirmed 14 days ago
18 more retailers have this diamond
Prices start from £434 GBPSave up to £2,073 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
1.99ct Round
£434 GBP