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Round|Lab Grown|IGI

3.03ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG683596161

Shape and cutting style on the report: Round brilliant

Certificate IGI LG683596161

Diamond specifications and retailer prices

From £325 GBP
$435 USD
As of November 1, 2026
Save £3,198 GBP (91%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £3,523 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG683596161 or 683596161. Listed at 23 retailers as of October 31, 2026, with prices from £325 to £3,523, a £3,198 spread on the same certified stone. Brilliant Earth lists it at £3,523. 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 angle34.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683596161
Dimensions9.31 × 9.28 × 5.56 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.31 mm9.28 mm3.03 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683596161
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.9%

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: Nov 1
Current: £3,523 GBP|Low: £318 GBP|High: £3,523 GBP|Avg: £888 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
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Retailer 20
November 1, 2026
Retailer 5£325 GBP
Retailer 10£352 GBP
Retailer 18£429 GBP
Retailer 19£506 GBP
Retailer 15£572 GBP
Retailer 8£608 GBP
Retailer 13£651 GBP
Retailer 4£757 GBP
Retailer 16£758 GBP
Retailer 17£782 GBP
Retailer 12£796 GBP
Retailer 14£851 GBP
Retailer 9£952 GBP
Retailer 7£1,186 GBP
Retailer 20£1,342 GBP
Retailer 6£1,349 GBP
Retailer 11£1,365 GBP
Retailer 3£1,382 GBP
Retailer 2£1,408 GBP
Brilliant Earth£3,523 GBP

30 data points across 20 retailers

23 retailers£325 GBP to £3,523 GBP

Retailer 1
-
£272 GBP
$365 USD
Price last confirmed 31 days ago
Retailer 2
-
£318 GBP
$426 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
£325 GBP
$435 USD
View
Final sale: no returns
Retailer 4
-
£352 GBP
$471 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
£429 GBP
$575 USD
View
A
Retailer 6
-
£506 GBP
HK$5,300 HKD
View
B+
Retailer 7
-
£572 GBP
$766 USD
View
A
Retailer 8
-
£651 GBP
View
A
Retailer 9
-
£757 GBP
$1,014 USD
View
A
Retailer 10
-
£758 GBP
A$1,563 AUD
View
B+
Retailer 11
-
£782 GBP
ZAR 16,930 ZAR
View
B+
Retailer 12
-
£851 GBP
$1,140 USD
View
Retailer 13
-
£952 GBP
$1,275 USD
View
Price last confirmed 13 days ago
B+
Retailer 14
-
£1,011 GBP
$1,354 USD
View
Retailer 15
-
£1,131 GBP
$1,516 USD
View
Price last confirmed 32 days ago
B+
Retailer 16
-
£1,186 GBP
$1,589 USD
View
B
Retailer 17
-
£1,342 GBP
$1,798 USD
View
B
Retailer 18
-
£1,349 GBP
$1,807 USD
View
Retailer 19
-
£1,365 GBP
View
Price last confirmed 28 days ago
B
Retailer 20
-
£1,382 GBP
CA$2,572 CAD
View
B
Retailer 21
-
£1,408 GBP
View
B
Retailer 22
-
£1,441 GBP
$1,931 USD
View
Most Expensive
B
Brilliant Earth
16046519A · Oct 31
£3,523 GBP
$4,720 USD
View
22 more retailers have this diamond
Prices start from £325 GBPSave up to £3,198 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
£325 GBP