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Round|Lab Grown|IGI

3.03ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG845668340

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845668340

Diamond specifications and retailer prices

From £266 GBP
$357 USD
As of November 1, 2026
Save £1,230 GBP (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,496 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845668340 or 845668340. Listed at 22 retailers as of November 1, 2026, with prices from £266 to £1,496, a £1,230 spread on the same certified stone. Rare Carat lists it at £1,496. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845668340
Dimensions9.18 × 9.22 × 5.76 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.18 mm9.22 mm3.03 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845668340
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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: Nov 1
Current: £1,496 GBP|Low: £266 GBP|High: £1,496 GBP|Avg: £739 GBP
Rare Carat
Retailer 2
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November 1, 2026
Retailer 20£266 GBP
Retailer 18£309 GBP
Retailer 5£331 GBP
Retailer 14£337 GBP
Retailer 15£373 GBP
Retailer 2£442 GBP
Retailer 10£444 GBP
Retailer 21£444 GBP
Retailer 22£520 GBP
Retailer 4£566 GBP
Retailer 13£589 GBP
Retailer 6£699 GBP
Retailer 8£718 GBP
Retailer 7£749 GBP
Retailer 17£775 GBP
Retailer 12£1,063 GBP
Retailer 11£1,076 GBP
Retailer 9£1,094 GBP
Retailer 16£1,172 GBP
Retailer 3£1,299 GBP
Retailer 19£1,439 GBP
Rare Carat£1,496 GBP

13 data points across 22 retailers

22 retailers£266 GBP to £1,496 GBP

A
Cheapest Retailer
-
£266 GBP
$357 USD
A
Retailer 2
-
£309 GBP
$414 USD
View
A
Retailer 3
-
£331 GBP
$443 USD
View
Retailer 4
-
£337 GBP
$452 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£373 GBP
HK$3,900 HKD
View
A
Retailer 6
-
£442 GBP
View
B+
Retailer 7
-
£444 GBP
$595 USD
View
A
Retailer 8
-
£444 GBP
$595 USD
View
A
Retailer 9
-
£520 GBP
€664 EUR
View
A
Retailer 10
-
£566 GBP
$758 USD
View
A
Retailer 11
-
£589 GBP
View
A
Retailer 12
-
£699 GBP
A$1,441 AUD
View
A
Retailer 13
-
£718 GBP
ZAR 15,537 ZAR
View
A
Retailer 14
-
£749 GBP
$1,003 USD
View
A
Retailer 15
-
£775 GBP
$1,039 USD
View
B+
Retailer 16
-
£1,063 GBP
$1,424 USD
View
B+
Retailer 17
-
£1,076 GBP
SGD 1,949 SGD
View
B+
Retailer 18
-
£1,094 GBP
$1,465 USD
View
B+
Retailer 19
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£1,172 GBP
$1,570 USD
View
B+
Retailer 20
-
£1,299 GBP
View
B
Retailer 21
-
£1,439 GBP
$1,928 USD
View
Most Expensive
B
Rare Carat
AJ-00069886 · Nov 1
£1,496 GBP
$2,005 USD
View
21 more retailers have this diamond
Prices start from £266 GBPSave up to £1,230 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
£266 GBP