CaratHunter
Plans
Oval|Lab Grown|IGI

1.68ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG790681891

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG790681891

Diamond specifications and retailer prices

From £196 GBP
$262 USD
As of October 29, 2026
Save £2,387 GBP (92%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,582 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.68ct lab-grown oval diamond

This 1.68ct lab-grown oval 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 LG790681891 or 790681891. Listed at 23 retailers as of October 29, 2026, with prices from £196 to £2,582, a £2,387 spread on the same certified stone. Brilliant Earth lists it at £2,582. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.68
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790681891
Dimensions9.63 × 6.75 × 4.21 mm
L/W Ratio1.43
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
9.63 mm6.75 mm1.68 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790681891
Side View
Table 59.0%Crown 35.6°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.4%

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: £1,072 GBP|Low: £196 GBP|High: £1,933 GBP|Avg: £761 GBP|-12.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 2£196 GBP
Retailer 11£219 GBP
Retailer 8£227 GBP
Retailer 3£243 GBP
Retailer 19£362 GBP
Retailer 14£405 GBP
Retailer 18£460 GBP
Retailer 12£469 GBP
Retailer 9£499 GBP
Retailer 16£528 GBP
Retailer 17£622 GBP
Retailer 21£671 GBP
Retailer 10£714 GBP
Retailer 7£860 GBP
Retailer 5£953 GBP
Retailer 13£984 GBP
Retailer 6£1,011 GBP
Retailer 22£1,046 GBP
Retailer 1£1,072 GBP
Retailer 15£1,355 GBP
Retailer 4£1,739 GBP
Retailer 20£1,933 GBP

41 data points across 22 retailers

23 retailers£196 GBP to £2,582 GBP

A
Cheapest Retailer
-
£196 GBP
$262 USD
A
Retailer 2
-
£219 GBP
$293 USD
View
Final sale: no returns
A
Retailer 3
-
£227 GBP
$304 USD
View
A
Retailer 4
-
£243 GBP
$325 USD
View
A
Retailer 5
-
£362 GBP
$485 USD
View
A
Retailer 6
-
£405 GBP
$542 USD
View
A
Retailer 7
-
£460 GBP
ZAR 9,952 ZAR
View
A
Retailer 8
-
£469 GBP
View
A
Retailer 9
-
£499 GBP
$669 USD
View
A
Retailer 10
-
£528 GBP
A$1,088 AUD
View
A
Retailer 11
-
£622 GBP
A$1,283 AUD
View
A
Retailer 12
-
£671 GBP
$899 USD
View
A
Retailer 13
-
£714 GBP
$957 USD
View
B+
Retailer 14
-
£860 GBP
$1,152 USD
View
B+
Retailer 15
-
£953 GBP
$1,277 USD
View
B+
Retailer 16
-
£984 GBP
$1,318 USD
View
B+
Retailer 17
-
£1,011 GBP
SGD 1,831 SGD
View
B+
Retailer 18
-
£1,046 GBP
View
B+
Retailer 19
-
£1,072 GBP
View
Retailer 20
-
£1,355 GBP
A$2,794 AUD
View
Price last confirmed 30 days ago
B
Retailer 21
-
£1,739 GBP
$2,330 USD
View
B
Retailer 22
-
£1,933 GBP
$2,590 USD
View
Most Expensive
B
Brilliant Earth
22138481Y · Oct 31
£2,582 GBP
$3,460 USD
View
22 more retailers have this diamond
Prices start from £196 GBPSave up to £2,387 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
1.68ct Oval
£196 GBP