Round|Lab Grown|IGI

1.76ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG726535115

Shape and cutting style on the report: Round brilliant

Certificate IGI LG726535115

Diamond specifications and retailer prices

From £192 GBP
$256 USD
As of October 29, 2026
Save £839 GBP (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,031 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.76ct lab-grown round diamond

This 1.76ct 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 LG726535115 or 726535115. Listed at 22 retailers as of October 28, 2026, with prices from £192 to £1,031, a £839 spread on the same certified stone. Reve Diamonds lists it at £1,031. 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

1.76
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726535115
Dimensions7.82 × 7.80 × 4.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.82 mm7.80 mm1.76 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726535115
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.3%

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 29
Current: £453 GBP|Low: £191 GBP|High: £1,031 GBP|Avg: £513 GBP|+7.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
October 29, 2026
Retailer 8£192 GBP
Retailer 12£223 GBP
Retailer 15£223 GBP
Retailer 3£239 GBP
Retailer 4£239 GBP
Retailer 13£360 GBP
Retailer 5£399 GBP
Retailer 11£411 GBP
Retailer 17£424 GBP
Retailer 2£444 GBP
Retailer 1£453 GBP
Retailer 16£468 GBP
Retailer 6£635 GBP
Retailer 18£646 GBP
Retailer 9£767 GBP
Retailer 7£805 GBP
Retailer 10£901 GBP
Retailer 14£957 GBP
Reve Diamonds£1,031 GBP

44 data points across 19 retailers

22 retailers£192 GBP to £1,031 GBP

Retailer 1
-
£191 GBP
$254 USD
Price last confirmed 37 days ago
A
Retailer 2
-
£192 GBP
$256 USD
View
A
Retailer 3
-
£223 GBP
$297 USD
View
Final sale: no returns
A
Retailer 4
-
£223 GBP
$297 USD
View
Retailer 5
-
£234 GBP
$311 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
£239 GBP
$318 USD
View
A
Retailer 7
-
£239 GBP
$318 USD
View
A
Retailer 8
-
£360 GBP
$480 USD
View
A
Retailer 9
-
£399 GBP
$531 USD
View
A
Retailer 10
-
£411 GBP
€521 EUR
View
B+
Retailer 11
-
£424 GBP
$565 USD
View
B+
Retailer 12
-
£444 GBP
$591 USD
View
B+
Retailer 13
-
£453 GBP
View
B+
Retailer 14
-
£468 GBP
A$958 AUD
View
B+
Retailer 15
-
£635 GBP
$845 USD
View
B+
Retailer 16
-
£646 GBP
$860 USD
View
Retailer 17
-
£760 GBP
$1,012 USD
View
Price last confirmed 39 days ago
B
Retailer 18
-
£767 GBP
$1,021 USD
View
B
Retailer 19
-
£805 GBP
$1,072 USD
View
B
Retailer 20
-
£901 GBP
$1,200 USD
View
B
Retailer 21
-
£957 GBP
View
Most Expensive
B
Reve Diamonds
157E242FE · Oct 28
£1,031 GBP
$1,373 USD
View
21 more retailers have this diamond
Prices start from £192 GBPSave up to £839 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
1.76ct Round
£192 GBP