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Round|Lab Grown|IGI

1.99ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG840633209

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840633209

Diamond specifications and retailer prices

From £387 GBP
$515 USD
As of October 26, 2026
Save £2,962 GBP (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £3,349 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840633209 or 840633209. Listed at 23 retailers as of October 26, 2026, with prices from £387 to £3,349, a £2,962 spread on the same certified stone. Brilliant Earth lists it at £3,349. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.99
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840633209
Dimensions8.02 × 8.06 × 4.95 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
8.02 mm8.06 mm1.99 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840633209
Side View
Table 57.0%Crown 34.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A+
Exceptional
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 26
Current: £740 GBP|Low: £387 GBP|High: £2,756 GBP|Avg: £1,080 GBP|-10.1%
Retailer 1
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Retailer 21
October 29, 2026
Retailer 4£387 GBP
Retailer 18£433 GBP
Retailer 5£450 GBP
Retailer 10£479 GBP
Retailer 14£518 GBP
Retailer 17£582 GBP
Retailer 6£613 GBP
Retailer 8£659 GBP
Retailer 1£740 GBP
Retailer 20£744 GBP
Retailer 15£796 GBP
Retailer 16£824 GBP
Retailer 3£1,235 GBP
Retailer 2£1,237 GBP
Retailer 11£1,260 GBP
Retailer 9£1,559 GBP
Retailer 7£1,647 GBP
Retailer 21£1,684 GBP
Retailer 19£1,719 GBP
Retailer 12£2,011 GBP
Retailer 13£2,730 GBP

21 data points across 21 retailers

23 retailers£387 GBP to £3,349 GBP

A+
Cheapest Retailer
-
£387 GBP
$515 USD
A
Retailer 2
-
£433 GBP
$576 USD
View
A
Retailer 3
-
£450 GBP
$599 USD
View
Final sale: no returns
A
Retailer 4
-
£479 GBP
$638 USD
View
Retailer 5
-
£518 GBP
$690 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£582 GBP
$775 USD
View
Retailer 7
-
£613 GBP
View
Price last confirmed 8 days ago
A
Retailer 8
-
£659 GBP
$878 USD
View
A
Retailer 9
-
£740 GBP
View
A
Retailer 10
-
£744 GBP
$991 USD
View
A
Retailer 11
-
£796 GBP
€1,009 EUR
View
A
Retailer 12
-
£824 GBP
ZAR 17,717 ZAR
View
B+
Retailer 13
-
£1,235 GBP
$1,644 USD
View
B+
Retailer 14
-
£1,237 GBP
$1,647 USD
View
B+
Retailer 15
-
£1,260 GBP
$1,678 USD
View
B+
Retailer 16
-
£1,559 GBP
$2,076 USD
View
B+
Retailer 17
-
£1,647 GBP
SGD 2,963 SGD
View
B+
Retailer 18
-
£1,684 GBP
$2,242 USD
View
B+
Retailer 19
-
£1,719 GBP
$2,289 USD
View
B+
Retailer 20
-
£2,011 GBP
View
Retailer 21
-
£2,730 GBP
$3,635 USD
View
Price last confirmed 12 days ago
B
Retailer 22
-
£2,854 GBP
$3,800 USD
View
Most Expensive
B
Brilliant Earth
21729055A · Oct 29
£3,349 GBP
$4,460 USD
View
22 more retailers have this diamond
Prices start from £387 GBPSave up to £2,962 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
£387 GBP