Princess|Lab Grown|IGI

4.30ct G VS1 Princess Lab Grown Diamond

EX • G/VS1 • IGI LG806615978

Shape and cutting style on the report: Princess cut

Certificate IGI LG806615978

Diamond specifications and retailer prices

From £418 GBP
$560 USD
As of October 27, 2026
Save £4,597 GBP (92%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £5,015 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 4.3ct lab-grown princess diamond

This 4.3ct lab-grown princess 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 LG806615978 or 806615978. Listed at 25 retailers as of October 26, 2026, with prices from £418 to £5,015, a £4,597 spread on the same certified stone. Brilliant Earth lists it at £5,015. 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

4.30
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806615978
Dimensions9.09 × 8.79 × 6.01 mm
L/W Ratio1.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.09 mm8.79 mm4.30 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806615978
Side View
Table 69.0%Crown 38.3°Girdle: MediumPavilion 37.3°Culet: NoneDepth 68.4%

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 27
Current: £2,806 GBP|Low: £406 GBP|High: £5,015 GBP|Avg: £1,269 GBP|-44.0%
Brilliant Earth
Retailer 2
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October 31, 2026
Retailer 5£418 GBP
Retailer 16£468 GBP
Retailer 24£468 GBP
Retailer 18£492 GBP
Retailer 7£519 GBP
Retailer 22£564 GBP
Retailer 23£627 GBP
Retailer 13£756 GBP
Retailer 15£762 GBP
Retailer 9£799 GBP
Retailer 19£804 GBP
Retailer 21£1,023 GBP
Retailer 3£1,047 GBP
Retailer 8£1,164 GBP
Retailer 2£1,190 GBP
Retailer 4£1,364 GBP
Retailer 10£1,513 GBP
Retailer 12£1,641 GBP
Retailer 11£1,667 GBP
Retailer 14£1,669 GBP
Retailer 17£1,681 GBP
Retailer 6£2,034 GBP
Retailer 20£2,254 GBP
Brilliant Earth£2,806 GBP

28 data points across 24 retailers

25 retailers£418 GBP to £5,015 GBP

A
Cheapest Retailer
-
£418 GBP
$560 USD
A
Retailer 2
-
£468 GBP
$627 USD
View
A
Retailer 3
-
£492 GBP
View
A
Retailer 4
-
£519 GBP
$695 USD
View
A
Retailer 5
-
£564 GBP
HK$5,900 HKD
View
A
Retailer 6
-
£627 GBP
$840 USD
View
A
Retailer 7
-
£756 GBP
€965 EUR
View
A
Retailer 8
-
£762 GBP
$1,021 USD
View
Retailer 9
-
£799 GBP
$1,071 USD
View
Price last confirmed 8 days ago
A
Retailer 10
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£804 GBP
View
A
Retailer 11
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£1,023 GBP
ZAR 22,136 ZAR
View
Retailer 12
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£1,047 GBP
A$2,158 AUD
View
Price last confirmed 11 days ago
B+
Retailer 13
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£1,164 GBP
$1,559 USD
View
B+
Retailer 14
-
£1,190 GBP
$1,595 USD
View
B+
Retailer 15
-
£1,364 GBP
$1,827 USD
View
Retailer 16
-
£1,513 GBP
View
Price last confirmed 15 days ago
B+
Retailer 17
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£1,641 GBP
SGD 2,971 SGD
View
B+
Retailer 18
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£1,667 GBP
$2,234 USD
View
B+
Retailer 19
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£1,669 GBP
$2,236 USD
View
B+
Retailer 20
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£1,681 GBP
$2,252 USD
View
Retailer 21
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£2,034 GBP
$2,725 USD
View
Price last confirmed 9 days ago
B
Retailer 22
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£2,254 GBP
View
B
Retailer 23
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£2,280 GBP
$3,055 USD
View
B
Retailer 24
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£2,806 GBP
$3,760 USD
View
Most Expensive
B
Brilliant Earth
20069695A · Oct 26
£5,015 GBP
$6,720 USD
View
24 more retailers have this diamond
Prices start from £418 GBPSave up to £4,597 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
4.30ct Princess
£418 GBP