Oval|Lab Grown|IGI

1.03ct G FL Oval Lab Grown Diamond

ID • G/FL • IGI LG836614512

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836614512

Diamond specifications and retailer prices

From £149 GBP
$199 USD
As of October 29, 2026
Save £1,240 GBP (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,388 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.03ct lab-grown oval diamond

This 1.03ct lab-grown oval sits in the classic one-carat band, graded G colour (near-colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836614512 or 836614512. Listed at 21 retailers as of October 28, 2026, with prices from £149 to £1,388, a £1,240 spread on the same certified stone. Rare Carat lists it at £1,388. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
G
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836614512
Dimensions8.09 × 5.54 × 3.52 mm
L/W Ratio1.46
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
8.09 mm5.54 mm1.03 ctG / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836614512
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.5%

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: £1,388 GBP|Low: £149 GBP|High: £1,440 GBP|Avg: £521 GBP|-0.5%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 5£149 GBP
Retailer 7£166 GBP
Retailer 20£172 GBP
Retailer 10£184 GBP
Retailer 19£184 GBP
Retailer 2£205 GBP
Retailer 18£317 GBP
Retailer 3£322 GBP
Retailer 15£323 GBP
Retailer 13£335 GBP
Retailer 21£362 GBP
Retailer 6£407 GBP
Retailer 12£517 GBP
Retailer 9£593 GBP
Retailer 4£596 GBP
Retailer 8£633 GBP
Retailer 14£652 GBP
Retailer 17£867 GBP
Retailer 16£1,164 GBP
Retailer 11£1,255 GBP
Rare Carat£1,388 GBP

25 data points across 21 retailers

21 retailers£149 GBP to £1,388 GBP

A
Cheapest Retailer
-
£149 GBP
$199 USD
A
Retailer 2
-
£166 GBP
$223 USD
View
Final sale: no returns
A
Retailer 3
-
£172 GBP
$231 USD
View
A
Retailer 4
-
£184 GBP
$247 USD
View
A
Retailer 5
-
£184 GBP
$247 USD
View
A
Retailer 6
-
£205 GBP
View
A
Retailer 7
-
£317 GBP
ZAR 6,860 ZAR
View
A
Retailer 8
-
£322 GBP
$431 USD
View
A
Retailer 9
-
£323 GBP
€412 EUR
View
A
Retailer 10
-
£335 GBP
View
A
Retailer 11
-
£362 GBP
$485 USD
View
A
Retailer 12
-
£407 GBP
$545 USD
View
B+
Retailer 13
-
£517 GBP
SGD 936 SGD
View
B+
Retailer 14
-
£593 GBP
$795 USD
View
B+
Retailer 15
-
£596 GBP
$798 USD
View
B+
Retailer 16
-
£633 GBP
$848 USD
View
B+
Retailer 17
-
£652 GBP
$874 USD
View
B
Retailer 18
-
£867 GBP
View
B
Retailer 19
-
£1,164 GBP
$1,560 USD
View
B
Retailer 20
-
£1,255 GBP
$1,681 USD
View
Most Expensive
B
Rare Carat
JH-253521 · Oct 28
£1,388 GBP
$1,860 USD
View
20 more retailers have this diamond
Prices start from £149 GBPSave up to £1,240 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
1.03ct Oval
£149 GBP