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Oval|Lab Grown|IGI

1.73ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG816610605

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816610605

Diamond specifications and retailer prices

From £310 GBP
$413 USD
As of October 28, 2026
Save £2,983 GBP (91%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £3,293 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.73ct lab-grown oval diamond

This 1.73ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816610605 or 816610605. Listed at 22 retailers as of October 28, 2026, with prices from £310 to £3,293, a £2,983 spread on the same certified stone. Rare Carat lists it at £3,293. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816610605
Dimensions10.01 × 6.70 × 4.12 mm
L/W Ratio1.49
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
10.01 mm6.70 mm1.73 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816610605
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.5%

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 28
Current: £3,293 GBP|Low: £310 GBP|High: £4,017 GBP|Avg: £1,051 GBP|-1.9%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
October 29, 2026
Retailer 4£310 GBP
Retailer 9£332 GBP
Retailer 12£356 GBP
Retailer 10£406 GBP
Retailer 14£484 GBP
Retailer 16£578 GBP
Retailer 13£591 GBP
Retailer 2£619 GBP
Retailer 8£651 GBP
Retailer 5£786 GBP
Retailer 17£992 GBP
Retailer 7£1,105 GBP
Retailer 6£1,135 GBP
Retailer 3£1,198 GBP
Retailer 15£1,302 GBP
Retailer 11£1,350 GBP
Retailer 18£2,733 GBP
Rare Carat£3,293 GBP

33 data points across 18 retailers

22 retailers£310 GBP to £3,293 GBP

A
Cheapest Retailer
-
£310 GBP
$413 USD
Final sale: no returns
A
Retailer 2
-
£332 GBP
$442 USD
View
Price last confirmed 36 days ago
A
Retailer 3
-
£332 GBP
$442 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
£356 GBP
View
A
Retailer 5
-
£372 GBP
$495 USD
View
Price last confirmed 33 days ago
A
Retailer 6
-
£406 GBP
$541 USD
View
Price last confirmed 34 days ago
A
Retailer 7
-
£412 GBP
$548 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
£412 GBP
$548 USD
View
Price last confirmed 27 days ago
A
Retailer 9
-
£484 GBP
$645 USD
View
A
Retailer 10
-
£578 GBP
$770 USD
View
A
Retailer 11
-
£591 GBP
ZAR 12,712 ZAR
View
A
Retailer 12
-
£619 GBP
View
A
Retailer 13
-
£786 GBP
$1,047 USD
View
B+
Retailer 14
-
£992 GBP
$1,321 USD
View
B+
Retailer 15
-
£1,105 GBP
$1,472 USD
View
B+
Retailer 16
-
£1,135 GBP
$1,512 USD
View
B+
Retailer 17
-
£1,198 GBP
$1,596 USD
View
B+
Retailer 18
-
£1,302 GBP
$1,734 USD
View
B+
Retailer 19
-
£1,322 GBP
$1,760 USD
View
Price last confirmed 22 days ago
B+
Retailer 20
-
£1,350 GBP
View
B
Retailer 21
-
£2,733 GBP
$3,640 USD
View
Most Expensive
B
Rare Carat
C466-3A · Oct 28
£3,293 GBP
$4,385 USD
View
21 more retailers have this diamond
Prices start from £310 GBPSave up to £2,983 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
1.73ct Oval
£310 GBP