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Oval|Lab Grown|IGI

0.78ct G VS1 Oval Lab Grown Diamond

ID • G/VS1 • IGI LG770687102

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG770687102

Diamond specifications and retailer prices

From £109 GBP
$146 USD
As of November 3, 2026
Save £247 GBP (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £980 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 0.78ct lab-grown oval diamond

This 0.78ct lab-grown oval sits in the just-under-one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770687102 or 770687102. Listed at 19 retailers as of November 2, 2026, with a 227% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770687102
Dimensions7.64 × 5.13 × 3.10 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.64 mm5.13 mm0.78 ctG / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG770687102
Side View
Table 62.0%Crown 33.6°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 60.4%

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 3
Current: £980 GBP|Low: £94 GBP|High: £1,037 GBP|Avg: £317 GBP|-4.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
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Retailer 11
Retailer 12
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Retailer 19
November 3, 2026
Retailer 19£95 GBP
Retailer 2£109 GBP
Retailer 3£117 GBP
Retailer 7£134 GBP
Retailer 5£183 GBP
Retailer 18£194 GBP
Retailer 14£203 GBP
Retailer 13£204 GBP
Retailer 6£210 GBP
Retailer 9£225 GBP
Retailer 12£288 GBP
Retailer 8£294 GBP
Retailer 15£306 GBP
Retailer 16£325 GBP
Retailer 17£356 GBP
Retailer 4£377 GBP
Retailer 10£419 GBP
Retailer 11£613 GBP
MOH London£980 GBP

40 data points across 19 retailers

19 retailers£109 GBP to £356 GBP

Retailer 1
-
£95 GBP
$127 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£109 GBP
$146 USD
View
Retailer 3
-
£117 GBP
$157 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
£134 GBP
HK$1,400 HKD
View
A
Retailer 5
-
£183 GBP
$245 USD
View
Retailer 6
-
£194 GBP
View
Price last confirmed 7 days ago
A
Retailer 7
-
£203 GBP
$273 USD
View
A
Retailer 8
-
£204 GBP
€261 EUR
View
Retailer 9
-
£210 GBP
ZAR 4,555 ZAR
View
Price last confirmed 16 days ago
Retailer 10
-
£225 GBP
$302 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£288 GBP
$386 USD
View
Retailer 12
-
£294 GBP
$395 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£306 GBP
$410 USD
View
B+
Retailer 14
-
£325 GBP
SGD 589 SGD
View
B+
Retailer 15
-
£356 GBP
$478 USD
View
Retailer 16
-
£377 GBP
$506 USD
View
Price last confirmed 9 days ago
Retailer 17
-
£419 GBP
$563 USD
View
Price last confirmed 7 days ago
Retailer 18
-
£613 GBP
View
Price last confirmed 18 days ago
Most Expensive
MOH London
LG770687102 · Oct 25
£980 GBP
View
Price last confirmed 9 days ago
18 more retailers have this diamond
Prices start from £109 GBPSave up to £247 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
0.78ct Oval
£109 GBP