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Round|Lab Grown|IGI

1.68ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG570333696

Shape and cutting style on the report: Round brilliant

Certificate IGI LG570333696

Diamond specifications and retailer prices

From £150 GBP
$200 USD
As of October 29, 2026
Save £1,292 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,442 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.68ct lab-grown round diamond

This 1.68ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG570333696 or 570333696. Listed at 10 retailers as of October 29, 2026, with prices from £150 to £1,442, a £1,292 spread on the same certified stone. Do Amore Diamonds lists it at £1,442. 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

1.68
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570333696
Dimensions7.62 × 7.61 × 4.65 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.62 mm7.61 mm1.68 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570333696
Side View
Table 58.5%Crown 34.6°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
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 29
Current: £1,442 GBP|Low: £125 GBP|High: £1,494 GBP|Avg: £545 GBP|-3.5%
Do Amore Diamonds
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
October 29, 2026
Retailer 13£150 GBP
Retailer 14£170 GBP
Retailer 12£174 GBP
Retailer 11£324 GBP
Retailer 7£357 GBP
Retailer 5£413 GBP
Retailer 6£455 GBP
Retailer 8£518 GBP
Retailer 3£585 GBP
Retailer 9£601 GBP
Retailer 10£661 GBP
Retailer 2£829 GBP
Retailer 4£924 GBP
Do Amore Diamonds£1,442 GBP

38 data points across 14 retailers

10 retailers£150 GBP to £1,442 GBP

A
Cheapest Retailer
-
£150 GBP
$200 USD
A
Retailer 2
-
£170 GBP
$227 USD
View
Final sale: no returns
A
Retailer 3
-
£174 GBP
$232 USD
View
B+
Retailer 4
-
£324 GBP
$431 USD
View
A
Retailer 5
-
£357 GBP
View
B+
Retailer 6
-
£518 GBP
$690 USD
View
B+
Retailer 7
-
£601 GBP
$800 USD
View
B+
Retailer 8
-
£661 GBP
$880 USD
View
B
Retailer 9
-
£829 GBP
View
Most Expensive
B
Do Amore Diamonds
27-87838F170 · Oct 29
£1,442 GBP
$1,920 USD
View
9 more retailers have this diamond
Prices start from £150 GBPSave up to £1,292 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
1.68ct Round
£150 GBP