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Round|Lab Grown|GIA

4.20ct E VS2 Round Lab Grown Diamond

EX • E/VS2 • GIA 6502394279

Certificate GIA 6502394279

Diamond specifications and retailer prices

From £1,365 GBP
$1,818 USD
As of October 30, 2026
Save £4,154 GBP (75%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: £7,907 GBP at Riddles Jewelry · As of October 29, 2026
View at Riddles Jewelry

About this 4.2ct lab-grown round diamond

This 4.2ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6502394279. Listed at 32 retailers as of October 28, 2026, with a 304% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.20
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6502394279
Dimensions10.46 × 10.42 × 6.33 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
10.46 mm10.42 mm4.20 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6502394279
Side View
Table 58.0%Crown 34°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,603 GBP|Low: £1,365 GBP|High: £9,852 GBP|Avg: £4,166 GBP|-3.7%
Retailer 1
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
Riddles Jewelry
October 29, 2026
Retailer 20£1,365 GBP
Retailer 6£1,602 GBP
Retailer 1£1,603 GBP
Retailer 4£1,787 GBP
Retailer 17£1,865 GBP
Retailer 11£2,337 GBP
Retailer 12£2,495 GBP
Retailer 7£2,607 GBP
Retailer 18£2,760 GBP
Retailer 22£3,109 GBP
Retailer 14£3,479 GBP
Retailer 15£3,630 GBP
Retailer 10£3,835 GBP
Retailer 8£4,283 GBP
Retailer 9£4,354 GBP
Retailer 5£4,524 GBP
Retailer 16£5,001 GBP
Retailer 19£5,519 GBP
Retailer 13£6,411 GBP
Retailer 21£6,638 GBP
Retailer 2£7,638 GBP
Riddles Jewelry£7,907 GBP
Retailer 3£9,852 GBP

24 data points across 23 retailers

32 retailers£1,365 GBP to £5,519 GBP

B+
Cheapest Retailer
-
£1,365 GBP
$1,818 USD
Retailer 2
-
£1,382 GBP
$1,840 USD
View
Price last confirmed 36 days ago
B+
Retailer 3
-
£1,432 GBP
$1,907 USD
View
Retailer 4
-
£1,541 GBP
$2,052 USD
View
Price last confirmed 36 days ago
Retailer 5
-
£1,580 GBP
$2,104 USD
View
Price last confirmed 37 days ago
B+
Retailer 6
-
£1,602 GBP
$2,133 USD
View
B+
Retailer 7
-
£1,603 GBP
$2,135 USD
View
Final sale: no returns
Retailer 8
-
£1,628 GBP
$2,168 USD
View
Price last confirmed 17 days ago
B+
Retailer 9
-
£1,661 GBP
$2,212 USD
View
B+
Retailer 10
-
£1,787 GBP
$2,380 USD
View
B+
Retailer 11
-
£1,865 GBP
$2,483 USD
View
B
Retailer 12
-
£2,337 GBP
$3,112 USD
View
Retailer 13
-
£2,432 GBP
$3,238 USD
View
Price last confirmed 38 days ago
B+
Retailer 14
-
£2,495 GBP
View
B+
Retailer 15
-
£2,520 GBP
$3,356 USD
View
B
Retailer 16
-
£2,607 GBP
$3,472 USD
View
B
Retailer 17
-
£2,760 GBP
€3,500 EUR
View
B
Retailer 18
-
£3,109 GBP
CA$5,751 CAD
View
B
Retailer 19
-
£3,479 GBP
View
Retailer 20
-
£3,630 GBP
A$7,436 AUD
View
Price last confirmed 24 days ago
B
Retailer 21
-
£3,835 GBP
$5,107 USD
View
B
Retailer 22
-
£4,283 GBP
$5,704 USD
View
B
Retailer 23
-
£4,354 GBP
$5,799 USD
View
B
Retailer 24
-
£4,524 GBP
$6,024 USD
View
B
Retailer 25
-
£5,001 GBP
View
B
Retailer 26
-
£5,230 GBP
$6,965 USD
View
B
Retailer 27
-
£5,519 GBP
View
Retailer 28
-
£6,411 GBP
$8,538 USD
View
Price under review
Retailer 29
-
£6,638 GBP
$8,840 USD
View
Price under review
Retailer 30
-
£7,638 GBP
$10,172 USD
View
Price under review
Most Expensive
Riddles Jewelry
1966194393 · Oct 29
£7,907 GBP
$10,529 USD
View
Price under review
30 more retailers have this diamond
Prices start from £1,365 GBPSave up to £4,154 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.

B+
4.20ct Round
£1,365 GBP