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Round|Lab Grown|IGI

2.03ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG669421670

Shape and cutting style on the report: Round brilliant

Certificate IGI LG669421670

Diamond specifications and retailer prices

From £371 GBP
$497 USD
As of October 29, 2026
Save £4,368 GBP (92%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £4,739 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.03ct lab-grown round diamond

This 2.03ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG669421670 or 669421670. Listed at 26 retailers as of October 29, 2026, with prices from £371 to £4,739, a £4,368 spread on the same certified stone. Brilliant Earth lists it at £4,739. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669421670
Dimensions8.22 × 8.26 × 4.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
8.22 mm8.26 mm2.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669421670
Side View
Table 59.0%Crown 32.9°Girdle: MediumPavilion 41.3°Culet: NoneDepth 60.2%

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 29
Current: £4,739 GBP|Low: £356 GBP|High: £5,165 GBP|Avg: £1,190 GBP|-8.2%
Brilliant Earth
Retailer 2
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Retailer 24
October 30, 2026
Retailer 23£371 GBP
Retailer 10£415 GBP
Retailer 21£415 GBP
Retailer 5£460 GBP
Retailer 6£460 GBP
Retailer 3£489 GBP
Retailer 7£506 GBP
Retailer 4£563 GBP
Retailer 11£618 GBP
Retailer 9£649 GBP
Retailer 19£693 GBP
Retailer 13£763 GBP
Retailer 8£971 GBP
Retailer 2£1,021 GBP
Retailer 22£1,074 GBP
Retailer 20£1,109 GBP
Retailer 24£1,209 GBP
Retailer 17£1,458 GBP
Retailer 16£1,498 GBP
Retailer 15£1,506 GBP
Retailer 12£1,598 GBP
Retailer 14£1,720 GBP
Retailer 18£1,930 GBP
Brilliant Earth£4,739 GBP

36 data points across 24 retailers

26 retailers£371 GBP to £4,739 GBP

A
Cheapest Retailer
-
£371 GBP
$497 USD
A
Retailer 2
-
£415 GBP
$556 USD
View
Final sale: no returns
A
Retailer 3
-
£415 GBP
$556 USD
View
Retailer 4
-
£460 GBP
$616 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£460 GBP
$616 USD
View
Retailer 6
-
£489 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
£506 GBP
HK$5,300 HKD
View
A
Retailer 8
-
£563 GBP
$755 USD
View
A
Retailer 9
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£618 GBP
$828 USD
View
A
Retailer 10
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£649 GBP
$869 USD
View
A
Retailer 11
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£693 GBP
€884 EUR
View
A
Retailer 12
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£763 GBP
View
A
Retailer 13
-
£971 GBP
$1,301 USD
View
A
Retailer 14
-
£1,021 GBP
A$2,104 AUD
View
B+
Retailer 15
-
£1,074 GBP
$1,439 USD
View
A
Retailer 16
-
£1,109 GBP
ZAR 24,016 ZAR
View
B+
Retailer 17
-
£1,209 GBP
$1,620 USD
View
B+
Retailer 18
-
£1,458 GBP
SGD 2,640 SGD
View
B+
Retailer 19
-
£1,498 GBP
$2,007 USD
View
B+
Retailer 20
-
£1,506 GBP
$2,018 USD
View
B+
Retailer 21
-
£1,598 GBP
$2,141 USD
View
B+
Retailer 22
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£1,720 GBP
$2,305 USD
View
B+
Retailer 23
-
£1,930 GBP
View
Retailer 24
-
£2,410 GBP
$3,229 USD
View
Price last confirmed 88 days ago
B
Retailer 25
-
£3,099 GBP
View
Most Expensive
B
Brilliant Earth
14284367A · Oct 29
£4,739 GBP
$6,350 USD
View
25 more retailers have this diamond
Prices start from £371 GBPSave up to £4,368 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
2.03ct Round
£371 GBP