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Round|Lab Grown|IGI

1.99ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • IGI LG837675214

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837675214

Diamond specifications and retailer prices

From £258 GBP
HK$2,700 HKD
As of October 30, 2026
Save £936 GBP (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,194 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG837675214 or 837675214. Listed at 15 retailers as of October 29, 2026, with prices from £258 to £1,194, a £936 spread on the same certified stone. Brilliant Earth lists it at £1,194. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.99
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837675214
Dimensions7.96 × 8.02 × 5.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.96 mm8.02 mm1.99 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837675214
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.7%

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 30
Current: £1,008 GBP|Low: £214 GBP|High: £1,299 GBP|Avg: £588 GBP|-22.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 3£214 GBP
Retailer 5£258 GBP
Retailer 7£371 GBP
Retailer 2£374 GBP
Retailer 11£396 GBP
Retailer 8£449 GBP
Retailer 4£713 GBP
Retailer 12£728 GBP
Retailer 6£755 GBP
Retailer 10£884 GBP
Retailer 9£952 GBP
Brilliant Earth£1,008 GBP

29 data points across 12 retailers

15 retailers£258 GBP to £1,194 GBP

Retailer 1
-
£193 GBP
$259 USD
Price last confirmed 31 days ago
Retailer 2
-
£237 GBP
$317 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
£258 GBP
HK$2,700 HKD
View
A
Retailer 4
-
£371 GBP
View
A
Retailer 5
-
£374 GBP
€477 EUR
View
B+
Retailer 6
-
£396 GBP
$531 USD
View
A
Retailer 7
-
£449 GBP
View
B
Retailer 8
-
£713 GBP
$956 USD
View
B
Retailer 9
-
£728 GBP
$976 USD
View
B+
Retailer 10
-
£755 GBP
SGD 1,367 SGD
View
Retailer 11
-
£772 GBP
$1,034 USD
View
Price last confirmed 30 days ago
B
Retailer 12
-
£884 GBP
$1,185 USD
View
B
Retailer 13
-
£952 GBP
View
B
Retailer 14
-
£1,008 GBP
$1,350 USD
View
Most Expensive
B
Brilliant Earth
21797676A · Oct 29
£1,194 GBP
$1,600 USD
View
14 more retailers have this diamond
Prices start from £258 GBPSave up to £936 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
£258 GBP