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Round|Lab Grown|IGI

1.37ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG234627470

Shape and cutting style on the report: Round brilliant

Certificate IGI LG234627470

Diamond specifications and retailer prices

From £304 GBP
$407 USD
As of October 30, 2026
Save £1,450 GBP (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,754 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.37ct lab-grown round diamond

This 1.37ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG234627470 or 234627470. Listed at 9 retailers as of October 30, 2026, with prices from £304 to £1,754, a £1,450 spread on the same certified stone. Do Amore Diamonds lists it at £1,754. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.37
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG234627470
Dimensions7.06 × 7.03 × 4.48 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
The laboratory grown diamond described above is classified as Type IIa. Laserscribe on Girdle: "LAB GROWN LG 234627470"
Top View
7.06 mm7.03 mm1.37 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG234627470
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.5%

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 30
Current: £1,754 GBP|Low: £175 GBP|High: £1,754 GBP|Avg: £477 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 18, 2026
Retailer 7£175 GBP
Retailer 2£304 GBP
Retailer 4£407 GBP
Retailer 5£422 GBP
Retailer 3£493 GBP
Retailer 6£586 GBP
Retailer 8£867 GBP
Do Amore Diamonds£1,754 GBP

13 data points across 8 retailers

9 retailers£304 GBP to £1,754 GBP

A
Cheapest Retailer
-
£304 GBP
$407 USD
A
Retailer 2
-
£366 GBP
$490 USD
View
A
Retailer 3
-
£402 GBP
$538 USD
View
B+
Retailer 4
-
£407 GBP
$546 USD
View
A
Retailer 5
-
£422 GBP
$565 USD
View
B+
Retailer 6
-
£493 GBP
$661 USD
View
B+
Retailer 7
-
£586 GBP
$785 USD
View
B+
Retailer 8
-
£867 GBP
$1,162 USD
View
Most Expensive
B
Do Amore Diamonds
27-4AE9E08D0 · Oct 31
£1,754 GBP
$2,350 USD
View
8 more retailers have this diamond
Prices start from £304 GBPSave up to £1,450 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
1.37ct Round
£304 GBP