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Oval|Lab Grown|IGI

0.78ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG733508690

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG733508690

Diamond specifications and retailer prices

From £134 GBP
$179 USD
As of October 29, 2026
Save £772 GBP (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £906 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 0.78ct lab-grown oval diamond

This 0.78ct lab-grown oval sits in the just-under-one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG733508690 or 733508690. Listed at 23 retailers as of October 27, 2026, with prices from £134 to £906, a £772 spread on the same certified stone. Queensmith lists it at £906. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733508690
Dimensions7.28 × 5.14 × 3.13 mm
L/W Ratio1.42
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
7.28 mm5.14 mm0.78 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733508690
Side View
Table 60.0%Crown 36°Girdle: STK-THKPavilion 37.7°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
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: Oct 29
Current: £299 GBP|Low: £129 GBP|High: £884 GBP|Avg: £381 GBP|-23.9%
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Retailer 22
October 30, 2026
Retailer 22£134 GBP
Retailer 10£150 GBP
Retailer 2£155 GBP
Retailer 6£167 GBP
Retailer 7£167 GBP
Retailer 19£184 GBP
Retailer 3£192 GBP
Retailer 5£220 GBP
Retailer 11£225 GBP
Retailer 1£299 GBP
Retailer 12£301 GBP
Retailer 18£308 GBP
Retailer 9£339 GBP
Retailer 20£419 GBP
Retailer 16£424 GBP
Retailer 15£455 GBP
Retailer 8£535 GBP
Retailer 14£553 GBP
Retailer 4£576 GBP
Retailer 17£779 GBP
Retailer 13£845 GBP
Retailer 21£870 GBP

43 data points across 22 retailers

23 retailers£134 GBP to £906 GBP

A
Cheapest Retailer
-
£134 GBP
$179 USD
A
Retailer 2
-
£150 GBP
$200 USD
View
Final sale: no returns
A
Retailer 3
-
£155 GBP
$207 USD
View
A
Retailer 4
-
£167 GBP
$222 USD
View
A
Retailer 5
-
£167 GBP
$222 USD
View
A
Retailer 6
-
£184 GBP
$245 USD
View
A
Retailer 7
-
£192 GBP
HK$2,000 HKD
View
A
Retailer 8
-
£220 GBP
$293 USD
View
A
Retailer 9
-
£225 GBP
$300 USD
View
B+
Retailer 10
-
£299 GBP
View
B+
Retailer 11
-
£301 GBP
ZAR 6,472 ZAR
View
B+
Retailer 12
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£308 GBP
€390 EUR
View
B+
Retailer 13
-
£339 GBP
$452 USD
View
B
Retailer 14
-
£419 GBP
$558 USD
View
B+
Retailer 15
-
£424 GBP
A$869 AUD
View
B
Retailer 16
-
£455 GBP
SGD 818 SGD
View
B
Retailer 17
-
£535 GBP
$713 USD
View
B
Retailer 18
-
£553 GBP
$737 USD
View
B
Retailer 19
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£576 GBP
$767 USD
View
B
Retailer 20
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£779 GBP
View
B
Retailer 21
-
£845 GBP
$1,126 USD
View
B
Retailer 22
-
£870 GBP
View
Most Expensive
B
Queensmith
LG733508690 · Oct 27
£906 GBP
View
22 more retailers have this diamond
Prices start from £134 GBPSave up to £772 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
£134 GBP