CaratHunter
Plans
Round|Lab Grown|IGI

1.99ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG840635040

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840635040

Diamond specifications and retailer prices

From £430 GBP
$576 USD
As of October 27, 2026
Save £2,899 GBP (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,329 GBP at Brilliant Earth · As of October 26, 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 LG840635040 or 840635040. Listed at 21 retailers as of October 26, 2026, with prices from £430 to £3,329, a £2,899 spread on the same certified stone. Brilliant Earth lists it at £3,329. 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 angle33.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840635040
Dimensions8.11 × 8.16 × 4.86 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
8.11 mm8.16 mm1.99 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840635040
Side View
Table 60.0%Crown 33.4°Girdle: MediumPavilion 40.5°Culet: NoneDepth 59.8%

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: Oct 27
Current: £3,329 GBP|Low: £384 GBP|High: £3,329 GBP|Avg: £1,325 GBP
Brilliant Earth
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
Retailer 21
Retailer 22
October 27, 2026
Retailer 5£384 GBP
Retailer 17£430 GBP
Retailer 6£447 GBP
Retailer 11£476 GBP
Retailer 3£578 GBP
Retailer 7£609 GBP
Retailer 9£655 GBP
Retailer 13£710 GBP
Retailer 20£740 GBP
Retailer 2£756 GBP
Retailer 18£811 GBP
Retailer 4£1,227 GBP
Retailer 22£1,229 GBP
Retailer 12£1,252 GBP
Retailer 10£1,549 GBP
Retailer 8£1,636 GBP
Retailer 21£1,673 GBP
Retailer 19£1,708 GBP
Retailer 16£1,990 GBP
Retailer 14£2,713 GBP
Retailer 15£2,836 GBP
Brilliant Earth£3,329 GBP

12 data points across 22 retailers

21 retailers£430 GBP to £3,329 GBP

Retailer 1
-
£384 GBP
$515 USD
Price last confirmed 8 days ago
A
Retailer 2
-
£430 GBP
$576 USD
View
Retailer 3
-
£476 GBP
$638 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£578 GBP
$775 USD
View
Retailer 5
-
£609 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£655 GBP
$878 USD
View
A
Retailer 7
-
£710 GBP
View
Retailer 8
-
£740 GBP
$991 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
£756 GBP
€965 EUR
View
A
Retailer 10
-
£811 GBP
ZAR 17,560 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 11
-
£1,227 GBP
$1,644 USD
View
B+
Retailer 12
-
£1,229 GBP
$1,647 USD
View
B+
Retailer 13
-
£1,252 GBP
$1,678 USD
View
B+
Retailer 14
-
£1,549 GBP
$2,076 USD
View
B+
Retailer 15
-
£1,636 GBP
SGD 2,963 SGD
View
B+
Retailer 16
-
£1,673 GBP
$2,242 USD
View
B+
Retailer 17
-
£1,708 GBP
$2,289 USD
View
B+
Retailer 18
-
£1,990 GBP
View
Retailer 19
-
£2,713 GBP
$3,635 USD
View
Price last confirmed 12 days ago
B
Retailer 20
-
£2,836 GBP
$3,800 USD
View
Most Expensive
B
Brilliant Earth
22142834A · Oct 26
£3,329 GBP
$4,460 USD
View
20 more retailers have this diamond
Prices start from £430 GBPSave up to £2,899 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
£430 GBP