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Round|Lab Grown|IGI

3.03ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG627477213

Shape and cutting style on the report: Round brilliant

Certificate IGI LG627477213

Diamond specifications and retailer prices

From £623 GBP
$835 USD
As of October 31, 2026
Save £3,795 GBP (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £4,418 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.03ct lab-grown round diamond

This 3.03ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG627477213 or 627477213. Listed at 25 retailers as of October 31, 2026, with prices from £623 to £4,418, a £3,795 spread on the same certified stone. Brilliant Earth lists it at £4,418. 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

3.03
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627477213
Dimensions9.31 × 9.34 × 5.70 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
9.31 mm9.34 mm3.03 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627477213
Side View
Table 57.0%Crown 34.9°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 61.1%

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 31
Current: £4,418 GBP|Low: £677 GBP|High: £4,553 GBP|Avg: £1,681 GBP|-3.0%
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
November 1, 2026
Retailer 3£677 GBP
Retailer 5£847 GBP
Retailer 13£942 GBP
Retailer 9£944 GBP
Retailer 2£989 GBP
Retailer 7£998 GBP
Retailer 8£1,448 GBP
Retailer 12£1,536 GBP
Retailer 6£1,592 GBP
Retailer 10£1,728 GBP
Retailer 14£2,127 GBP
Retailer 4£2,214 GBP
Retailer 11£2,462 GBP
Brilliant Earth£4,418 GBP

42 data points across 14 retailers

25 retailers£623 GBP to £4,418 GBP

Retailer 1
-
£537 GBP
$720 USD
Price last confirmed 34 days ago
Retailer 2
-
£585 GBP
$784 USD
View
Price last confirmed 39 days ago
Retailer 3
-
£585 GBP
$784 USD
View
Price last confirmed 26 days ago
Retailer 4
-
£615 GBP
$824 USD
View
Price last confirmed 33 days ago
A
Retailer 5
-
£623 GBP
$835 USD
View
Retailer 6
-
£623 GBP
$835 USD
View
Price last confirmed 22 days ago
Retailer 7
-
£623 GBP
$835 USD
View
Price last confirmed 30 days ago
A
Retailer 8
-
£677 GBP
$907 USD
View
Final sale: no returns
A
Retailer 9
-
£764 GBP
HK$8,000 HKD
View
A
Retailer 10
-
£847 GBP
$1,135 USD
View
A
Retailer 11
-
£942 GBP
$1,262 USD
View
A
Retailer 12
-
£944 GBP
$1,265 USD
View
A
Retailer 13
-
£989 GBP
View
A
Retailer 14
-
£998 GBP
€1,273 EUR
View
A
Retailer 15
-
£1,448 GBP
ZAR 31,338 ZAR
View
B+
Retailer 16
-
£1,536 GBP
$2,058 USD
View
B+
Retailer 17
-
£1,592 GBP
$2,133 USD
View
B+
Retailer 18
-
£1,728 GBP
$2,315 USD
View
Retailer 19
-
£1,753 GBP
$2,349 USD
View
Price last confirmed 23 days ago
Retailer 20
-
£1,753 GBP
$2,349 USD
View
Price last confirmed 32 days ago
B+
Retailer 21
-
£2,127 GBP
$2,850 USD
View
B+
Retailer 22
-
£2,150 GBP
$2,880 USD
View
B+
Retailer 23
-
£2,214 GBP
SGD 4,008 SGD
View
Retailer 24
-
£2,462 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
9987814A · Oct 31
£4,418 GBP
$5,920 USD
View
24 more retailers have this diamond
Prices start from £623 GBPSave up to £3,795 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
3.03ct Round
£623 GBP