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1.62ct H SI2 Round Lab Grown Diamond

ID • H/SI2 • IGI LG425065412

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425065412

Diamond specifications and retailer prices

From £709 GBP
$950 USD
As of October 30, 2026
Save £2,825 GBP (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,534 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.62ct lab-grown round diamond

This 1.62ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425065412 or 425065412. Listed at 10 retailers as of October 29, 2026, with prices from £709 to £3,534, a £2,825 spread on the same certified stone. MOH London lists it at £3,534. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.62
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425065412
Dimensions7.53 × 7.58 × 4.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.53 mm7.58 mm1.62 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425065412
Side View
Table 56.0%Crown 34.1°GirdlePavilion 41.2°Culet: NoneDepth 62.1%

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: Oct 30
Current: £3,534 GBP|Low: £709 GBP|High: £3,562 GBP|Avg: £1,909 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2£709 GBP
Retailer 4£1,155 GBP
Retailer 5£1,188 GBP
Retailer 7£1,679 GBP
Retailer 3£1,942 GBP
Retailer 6£2,234 GBP
Retailer 8£2,754 GBP
MOH London£3,534 GBP

14 data points across 8 retailers

10 retailers£709 GBP to £3,534 GBP

A
Cheapest Retailer
-
£709 GBP
$950 USD
B+
Retailer 2
-
£1,061 GBP
$1,421 USD
View
B+
Retailer 3
-
£1,155 GBP
$1,547 USD
View
B+
Retailer 4
-
£1,188 GBP
$1,592 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,231 GBP
$1,649 USD
View
Retailer 6
-
£1,231 GBP
$1,649 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
£1,942 GBP
$2,602 USD
View
B
Retailer 8
-
£2,234 GBP
$2,993 USD
View
B
Retailer 9
-
£2,307 GBP
$3,091 USD
View
Most Expensive
B
MOH London
LG425065412 · Oct 29
£3,534 GBP
View
9 more retailers have this diamond
Prices start from £709 GBPSave up to £2,825 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
1.62ct Round
£709 GBP