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Marquise|Lab Grown|IGI

1.76ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG800679079

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800679079

Diamond specifications and retailer prices

From £1,096 GBP
HK$11,400 HKD
As of October 29, 2026
Save £3,484 GBP (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,580 GBP at With Clarity · As of October 28, 2026
View at With Clarity

About this 1.76ct lab-grown marquise diamond

This 1.76ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800679079 or 800679079. Listed at 11 retailers as of October 28, 2026, with prices from £1,096 to £4,580, a £3,484 spread on the same certified stone. With Clarity lists it at £4,580. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.76
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679079
Dimensions12.21 × 6.27 × 3.97 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.21 mm6.27 mm1.76 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679079
Side View
Table 61.0%Crown 32.4°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 63.3%

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 29
Current: £1,448 GBP|Low: £1,095 GBP|High: £4,488 GBP|Avg: £2,246 GBP|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
October 29, 2026
Retailer 8£1,192 GBP
Retailer 2£1,296 GBP
Retailer 5£1,359 GBP
Retailer 1£1,448 GBP
Retailer 3£1,648 GBP
Retailer 6£2,459 GBP
Retailer 4£3,072 GBP
Retailer 7£3,499 GBP
With Clarity£4,488 GBP

42 data points across 9 retailers

11 retailers£1,096 GBP to £4,580 GBP

A
Cheapest Retailer
-
£1,096 GBP
HK$11,400 HKD
A
Retailer 2
-
£1,192 GBP
$1,588 USD
View
A
Retailer 3
-
£1,296 GBP
View
A
Retailer 4
-
£1,359 GBP
$1,810 USD
View
B+
Retailer 5
-
£1,448 GBP
€1,837 EUR
View
B+
Retailer 6
-
£1,648 GBP
$2,195 USD
View
B+
Retailer 7
-
£2,459 GBP
A$5,038 AUD
View
Price last confirmed 24 days ago
B
Retailer 8
-
£3,072 GBP
View
Price last confirmed 10 days ago
B
Retailer 9
-
£3,144 GBP
$4,187 USD
View
B
Retailer 10
-
£3,499 GBP
$4,660 USD
View
Most Expensive
B
With Clarity
800679079 · Oct 28
£4,580 GBP
$6,099 USD
View
10 more retailers have this diamond
Prices start from £1,096 GBPSave up to £3,484 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 Marquise
£1,096 GBP