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Oval|Lab Grown|IGI

0.70ct J SI1 Oval Lab Grown Diamond

EX • J/SI1 • IGI LG407932237

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG407932237

Diamond specifications and retailer prices

From £289 GBP
$387 USD
As of October 29, 2026
Save £1,119 GBP (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,408 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.7ct lab-grown oval diamond

This 0.7ct lab-grown oval sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407932237 or 407932237. Listed at 11 retailers as of October 29, 2026, with prices from £289 to £1,408, a £1,119 spread on the same certified stone. MOH London lists it at £1,408. 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

0.70
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle34.9°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407932237
Dimensions7.00 × 5.07 × 3.17 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.00 mm5.07 mm0.70 ctJ / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG407932237
Side View
Table 57.0%Crown 34.9°Girdle: THN-STKPavilion 41.6°Culet: NoneDepth 62.5%

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: £1,408 GBP|Low: £278 GBP|High: £1,440 GBP|Avg: £636 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 8£289 GBP
Retailer 6£313 GBP
Retailer 11£323 GBP
Retailer 9£358 GBP
Retailer 12£358 GBP
Retailer 5£384 GBP
Retailer 13£470 GBP
Retailer 10£570 GBP
Retailer 2£636 GBP
Retailer 3£642 GBP
Retailer 7£1,005 GBP
MOH London£1,408 GBP
Retailer 4£1,440 GBP

23 data points across 13 retailers

11 retailers£289 GBP to £1,408 GBP

B+
Cheapest Retailer
-
£289 GBP
$387 USD
A
Retailer 2
-
£313 GBP
$420 USD
View
B+
Retailer 3
-
£323 GBP
$433 USD
View
Final sale: no returns
B+
Retailer 4
-
£324 GBP
$434 USD
View
B+
Retailer 5
-
£358 GBP
$480 USD
View
B+
Retailer 6
-
£358 GBP
$480 USD
View
B
Retailer 7
-
£570 GBP
$764 USD
View
B
Retailer 8
-
£636 GBP
€812 EUR
View
B
Retailer 9
-
£1,005 GBP
$1,347 USD
View
C
Retailer 10
-
£1,152 GBP
$1,544 USD
View
Most Expensive
B
MOH London
LG407932237 · Oct 29
£1,408 GBP
View
10 more retailers have this diamond
Prices start from £289 GBPSave up to £1,119 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
0.70ct Oval
£289 GBP