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Round|Lab Grown|IGI

1.99ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG836607877

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836607877

Diamond specifications and retailer prices

From £447 GBP
$599 USD
As of October 28, 2026
Save £2,882 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,329 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 LG836607877 or 836607877. Listed at 19 retailers as of October 28, 2026, with prices from £447 to £3,329, a £2,882 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 angle35.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836607877
Dimensions8.02 × 8.06 × 4.97 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 LG836607877
Side View
Table 58.0%Crown 35.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.8%

Caratlytics Score

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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 28
Current: £735 GBP|Low: £447 GBP|High: £2,739 GBP|Avg: £1,191 GBP|-12.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 30, 2026
Retailer 3£447 GBP
Retailer 10£515 GBP
Retailer 13£578 GBP
Retailer 4£609 GBP
Retailer 6£655 GBP
Retailer 1£735 GBP
Retailer 16£740 GBP
Retailer 11£791 GBP
Retailer 12£818 GBP
Retailer 2£1,227 GBP
Retailer 18£1,229 GBP
Retailer 8£1,252 GBP
Retailer 7£1,549 GBP
Retailer 5£1,636 GBP
Retailer 17£1,673 GBP
Retailer 15£1,708 GBP
Retailer 14£1,990 GBP
Retailer 9£2,713 GBP

23 data points across 18 retailers

19 retailers£447 GBP to £3,329 GBP

A+
Cheapest Retailer
-
£447 GBP
$599 USD
Final sale: no returns
Retailer 2
-
£515 GBP
$690 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£578 GBP
$775 USD
View
Retailer 4
-
£609 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£655 GBP
$878 USD
View
A
Retailer 6
-
£735 GBP
View
A
Retailer 7
-
£740 GBP
$991 USD
View
A
Retailer 8
-
£791 GBP
€1,009 EUR
View
A
Retailer 9
-
£818 GBP
ZAR 17,717 ZAR
View
B+
Retailer 10
-
£1,227 GBP
$1,644 USD
View
B+
Retailer 11
-
£1,229 GBP
$1,647 USD
View
B+
Retailer 12
-
£1,252 GBP
$1,678 USD
View
B+
Retailer 13
-
£1,549 GBP
$2,076 USD
View
B+
Retailer 14
-
£1,636 GBP
SGD 2,963 SGD
View
B+
Retailer 15
-
£1,673 GBP
$2,242 USD
View
B+
Retailer 16
-
£1,708 GBP
$2,289 USD
View
B+
Retailer 17
-
£1,990 GBP
View
Retailer 18
-
£2,713 GBP
$3,635 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21641131A · Oct 29
£3,329 GBP
$4,460 USD
View
18 more retailers have this diamond
Prices start from £447 GBPSave up to £2,882 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
£447 GBP