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Oval|Lab Grown|IGI

1.00ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG615376964

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG615376964

Diamond specifications and retailer prices

From £125 GBP
$168 USD
As of November 1, 2026
Save £604 GBP (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £729 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG615376964 or 615376964. Listed at 12 retailers as of November 1, 2026, with prices from £125 to £729, a £604 spread on the same certified stone. MOH London lists it at £729. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.9°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615376964
Dimensions7.65 × 5.53 × 3.54 mm
L/W Ratio1.38
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
7.65 mm5.53 mm1.00 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG615376964
Side View
Table 54.0%Crown 38.9°Girdle: MED-THKPavilion 38°Culet: NoneDepth 64.0%

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: £729 GBP|Low: £125 GBP|High: £764 GBP|Avg: £334 GBP|-3.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6£125 GBP
Retailer 4£146 GBP
Retailer 11£156 GBP
Retailer 12£156 GBP
Retailer 2£202 GBP
Retailer 9£227 GBP
Retailer 5£277 GBP
Retailer 10£280 GBP
Retailer 7£336 GBP
Retailer 3£501 GBP
Retailer 8£529 GBP
MOH London£729 GBP

44 data points across 12 retailers

12 retailers£125 GBP to £729 GBP

A
Cheapest Retailer
-
£125 GBP
$168 USD
A
Retailer 2
-
£146 GBP
$195 USD
View
Retailer 3
-
£156 GBP
$209 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
£156 GBP
$209 USD
View
A
Retailer 5
-
£202 GBP
View
A
Retailer 6
-
£227 GBP
$304 USD
View
A
Retailer 7
-
£277 GBP
View
B+
Retailer 8
-
£280 GBP
$375 USD
View
B+
Retailer 9
-
£336 GBP
$450 USD
View
B
Retailer 10
-
£501 GBP
$671 USD
View
B
Retailer 11
-
£529 GBP
$709 USD
View
Most Expensive
B
MOH London
LG615376964 · Nov 1
£729 GBP
View
11 more retailers have this diamond
Prices start from £125 GBPSave up to £604 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
1.00ct Oval
£125 GBP