Round|Lab Grown|IGI

1.62ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG395982637

Shape and cutting style on the report: Round brilliant

Certificate IGI LG395982637

Diamond specifications and retailer prices

From £263 GBP
$353 USD
As of November 1, 2026
Save £1,154 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,343 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG395982637 or 395982637. Listed at 20 retailers as of October 29, 2026, with a 438% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG395982637
Dimensions7.48 × 7.55 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
7.48 mm7.55 mm1.62 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG395982637
Side View
Table 57.5%Crown 35°Girdle: MediumPavilion 41.5°Culet: NoneDepth 62.5%

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: Nov 1
Current: £2,343 GBP|Low: £263 GBP|High: £2,343 GBP|Avg: £766 GBP
Do Amore Diamonds
Retailer 2
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Retailer 20
November 1, 2026
Retailer 20£263 GBP
Retailer 18£306 GBP
Retailer 3£322 GBP
Retailer 5£327 GBP
Retailer 17£327 GBP
Retailer 15£328 GBP
Retailer 7£440 GBP
Retailer 8£534 GBP
Retailer 19£576 GBP
Retailer 10£580 GBP
Retailer 12£641 GBP
Retailer 2£643 GBP
Retailer 13£652 GBP
Retailer 14£687 GBP
Retailer 6£959 GBP
Retailer 9£1,016 GBP
Retailer 4£1,160 GBP
Retailer 11£1,275 GBP
Retailer 16£1,417 GBP
Do Amore Diamonds£2,343 GBP

16 data points across 20 retailers

20 retailers£263 GBP to £1,417 GBP

A
Cheapest Retailer
-
£263 GBP
$353 USD
A
Retailer 2
-
£306 GBP
$410 USD
View
A
Retailer 3
-
£322 GBP
$432 USD
View
Retailer 4
-
£327 GBP
$438 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£327 GBP
$438 USD
View
B+
Retailer 6
-
£328 GBP
$440 USD
View
B+
Retailer 7
-
£440 GBP
$590 USD
View
Retailer 8
-
£534 GBP
$715 USD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
£576 GBP
$772 USD
View
B+
Retailer 10
-
£580 GBP
$777 USD
View
B+
Retailer 11
-
£641 GBP
$859 USD
View
B+
Retailer 12
-
£643 GBP
View
B+
Retailer 13
-
£652 GBP
View
B+
Retailer 14
-
£687 GBP
$920 USD
View
B
Retailer 15
-
£959 GBP
$1,285 USD
View
B
Retailer 16
-
£1,016 GBP
$1,361 USD
View
B
Retailer 17
-
£1,160 GBP
$1,554 USD
View
B
Retailer 18
-
£1,275 GBP
$1,708 USD
View
B
Retailer 19
-
£1,417 GBP
View
Most Expensive
Do Amore Diamonds
27-B5C25970B · Oct 31
£2,343 GBP
$3,140 USD
View
Price under review
19 more retailers have this diamond
Prices start from £263 GBPSave up to £1,154 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.

A
1.62ct Round
£263 GBP