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Round|Lab Grown|IGI

12.38ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG735527068

Shape and cutting style on the report: Round brilliant

Certificate IGI LG735527068

Diamond specifications and retailer prices

From £3,438 GBP
As of November 1, 2026
Save £20,013 GBP (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £23,451 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 12.38ct lab-grown round diamond

This 12.38ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG735527068 or 735527068. Listed at 19 retailers as of October 31, 2026, with prices from £3,438 to £23,451, a £20,013 spread on the same certified stone. With Clarity lists it at £23,451. 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

12.38
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735527068
Dimensions14.70 × 14.81 × 9.12 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.70 mm14.81 mm12.38 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735527068
Side View
Table 56.0%Crown 35.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.8%

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: £3,438 GBP|Low: £3,437 GBP|High: £22,002 GBP|Avg: £7,338 GBP|-0.4%
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
November 1, 2026
Retailer 1£3,438 GBP
Retailer 12£3,691 GBP
Retailer 4£3,867 GBP
Retailer 9£4,236 GBP
Retailer 2£4,281 GBP
Retailer 8£4,284 GBP
Retailer 10£5,003 GBP
Retailer 6£5,434 GBP
Retailer 7£6,669 GBP
Retailer 11£7,071 GBP
Retailer 5£11,910 GBP
Retailer 3£14,785 GBP
Retailer 13£22,002 GBP

43 data points across 13 retailers

19 retailers£3,438 GBP to £23,451 GBP

A
Cheapest Retailer
-
£3,438 GBP
A
Retailer 2
-
£3,691 GBP
$4,945 USD
View
A
Retailer 3
-
£3,867 GBP
$5,182 USD
View
A
Retailer 4
-
£4,236 GBP
$5,676 USD
View
Final sale: no returns
A
Retailer 5
-
£4,281 GBP
$5,736 USD
View
A
Retailer 6
-
£4,284 GBP
$5,740 USD
View
B+
Retailer 7
-
£5,003 GBP
$6,704 USD
View
B+
Retailer 8
-
£5,111 GBP
HK$53,500 HKD
View
B+
Retailer 9
-
£5,434 GBP
View
B+
Retailer 10
-
£6,669 GBP
€8,510 EUR
View
B+
Retailer 11
-
£6,805 GBP
$9,118 USD
View
B+
Retailer 12
-
£7,071 GBP
$9,475 USD
View
B
Retailer 13
-
£8,072 GBP
$10,816 USD
View
B
Retailer 14
-
£11,902 GBP
$15,947 USD
View
B
Retailer 15
-
£11,910 GBP
$15,958 USD
View
B
Retailer 16
-
£14,785 GBP
SGD 26,771 SGD
View
B
Retailer 17
-
£15,361 GBP
$20,582 USD
View
B
Retailer 18
-
£22,002 GBP
$29,480 USD
View
Most Expensive
B
With Clarity
735527068 · Oct 31
£23,451 GBP
$31,422 USD
View
18 more retailers have this diamond
Prices start from £3,438 GBPSave up to £20,013 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
12.38ct Round
£3,438 GBP