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Oval|Lab Grown|IGI

1.74ct F IF Oval Lab Grown Diamond

ID • F/IF • IGI LG683535131

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG683535131

Diamond specifications and retailer prices

From £247 GBP
$331 USD
As of November 1, 2026
Save £1,902 GBP (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,149 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.74ct lab-grown oval diamond

This 1.74ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG683535131 or 683535131. Listed at 19 retailers as of October 31, 2026, with prices from £247 to £2,149, a £1,902 spread on the same certified stone. Brilliant Earth lists it at £2,149. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.74
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683535131
Dimensions9.47 × 6.82 × 4.29 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
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
9.47 mm6.82 mm1.74 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683535131
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.9%

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: £2,149 GBP|Low: £247 GBP|High: £2,866 GBP|Avg: £900 GBP|-25.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
November 2, 2026
Retailer 15£247 GBP
Retailer 17£276 GBP
Retailer 10£319 GBP
Retailer 13£478 GBP
Retailer 12£489 GBP
Retailer 8£494 GBP
Retailer 3£505 GBP
Retailer 2£528 GBP
Retailer 11£543 GBP
Retailer 4£713 GBP
Retailer 14£785 GBP
Retailer 5£975 GBP
Retailer 7£1,016 GBP
Retailer 6£1,156 GBP
Retailer 18£1,232 GBP
Retailer 16£1,296 GBP
Retailer 9£1,929 GBP
Brilliant Earth£2,149 GBP

32 data points across 18 retailers

19 retailers£247 GBP to £2,149 GBP

A
Cheapest Retailer
-
£247 GBP
$331 USD
A
Retailer 2
-
£276 GBP
$370 USD
View
Final sale: no returns
Retailer 3
-
£319 GBP
$427 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
£478 GBP
$640 USD
View
A
Retailer 5
-
£489 GBP
€624 EUR
View
A
Retailer 6
-
£494 GBP
$662 USD
View
A
Retailer 7
-
£505 GBP
$676 USD
View
A
Retailer 8
-
£528 GBP
ZAR 11,420 ZAR
View
A
Retailer 9
-
£543 GBP
View
A
Retailer 10
-
£713 GBP
A$1,470 AUD
View
A
Retailer 11
-
£785 GBP
$1,052 USD
View
B+
Retailer 12
-
£975 GBP
$1,306 USD
View
B+
Retailer 13
-
£1,016 GBP
$1,362 USD
View
B+
Retailer 14
-
£1,156 GBP
$1,549 USD
View
B+
Retailer 15
-
£1,232 GBP
View
B+
Retailer 16
-
£1,296 GBP
$1,737 USD
View
Retailer 17
-
£1,814 GBP
A$3,740 AUD
View
Price last confirmed 121 days ago
Retailer 18
-
£1,929 GBP
$2,585 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
14272128A · Oct 31
£2,149 GBP
$2,880 USD
View
18 more retailers have this diamond
Prices start from £247 GBPSave up to £1,902 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
1.74ct Oval
£247 GBP