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Oval|Lab Grown|IGI

1.83ct F FL Oval Lab Grown Diamond

ID • F/FL • IGI LG836616543

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836616543

Diamond specifications and retailer prices

From £332 GBP
$445 USD
As of October 30, 2026
Save £2,810 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,142 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.83ct lab-grown oval diamond

This 1.83ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836616543 or 836616543. Listed at 17 retailers as of October 28, 2026, with prices from £332 to £3,142, a £2,810 spread on the same certified stone. Rare Carat lists it at £3,142. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836616543
Dimensions9.68 × 6.81 × 4.27 mm
L/W Ratio1.42
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
9.68 mm6.81 mm1.83 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836616543
Side View
Table 59.0%Crown 34.9°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.7%

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 30
Current: £3,142 GBP|Low: £332 GBP|High: £3,142 GBP|Avg: £1,124 GBP
Rare Carat
Retailer 2
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 1, 2026
Retailer 6£332 GBP
Retailer 2£370 GBP
Retailer 16£470 GBP
Retailer 4£572 GBP
Retailer 15£617 GBP
Retailer 12£623 GBP
Retailer 10£646 GBP
Retailer 17£1,008 GBP
Retailer 3£1,082 GBP
Retailer 5£1,183 GBP
Retailer 11£1,245 GBP
Retailer 9£1,245 GBP
Retailer 7£1,269 GBP
Retailer 14£1,411 GBP
Retailer 13£2,261 GBP
Retailer 8£2,398 GBP
Rare Carat£3,142 GBP

17 data points across 17 retailers

17 retailers£332 GBP to £3,142 GBP

A
Cheapest Retailer
-
£332 GBP
$445 USD
Final sale: no returns
A
Retailer 2
-
£370 GBP
View
A
Retailer 3
-
£470 GBP
$630 USD
View
A
Retailer 4
-
£572 GBP
$766 USD
View
A
Retailer 5
-
£617 GBP
ZAR 13,362 ZAR
View
A
Retailer 6
-
£623 GBP
€795 EUR
View
A
Retailer 7
-
£646 GBP
View
B+
Retailer 8
-
£1,008 GBP
$1,350 USD
View
B+
Retailer 9
-
£1,082 GBP
$1,450 USD
View
B+
Retailer 10
-
£1,183 GBP
$1,585 USD
View
B+
Retailer 11
-
£1,245 GBP
$1,668 USD
View
B+
Retailer 12
-
£1,245 GBP
SGD 2,255 SGD
View
B+
Retailer 13
-
£1,269 GBP
$1,700 USD
View
B+
Retailer 14
-
£1,411 GBP
View
B
Retailer 15
-
£2,261 GBP
$3,030 USD
View
B
Retailer 16
-
£2,398 GBP
$3,213 USD
View
Most Expensive
B
Rare Carat
JH-259554 · Oct 28
£3,142 GBP
$4,210 USD
View
16 more retailers have this diamond
Prices start from £332 GBPSave up to £2,810 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
1.83ct Oval
£332 GBP