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Oval|Lab Grown|IGI

1.51ct G VS1 Oval Lab Grown Diamond

ID • G/VS1 • IGI LG773635900

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG773635900

Diamond specifications and retailer prices

From £171 GBP
As of November 4, 2026
Save £539 GBP (76%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £923 GBP at Frank Darling · As of October 28, 2026
View at Frank Darling

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG773635900 or 773635900. Listed at 5 retailers as of November 4, 2026, with a 315% 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

1.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773635900
Dimensions9.08 × 6.59 × 4.00 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Top View
9.08 mm6.59 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773635900
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.7%

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: Nov 4
Current: £923 GBP|Low: £171 GBP|High: £1,489 GBP|Avg: £605 GBP|-5.4%
Frank Darling
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 5£171 GBP
Retailer 6£261 GBP
Retailer 3£275 GBP
Retailer 4£339 GBP
Retailer 11£372 GBP
Retailer 8£382 GBP
Retailer 9£564 GBP
Retailer 7£659 GBP
Retailer 2£710 GBP
Retailer 12£810 GBP
Frank Darling£923 GBP
Retailer 10£1,489 GBP

11 data points across 12 retailers

5 retailers£171 GBP to £710 GBP

A
Cheapest Retailer
-
£171 GBP
Final sale: no returns
B+
Retailer 2
-
£261 GBP
View
Retailer 3
-
£659 GBP
View
Price last confirmed 22 days ago
B
Retailer 4
-
£710 GBP
View
Most Expensive
Frank Darling
100756905501KD · Oct 28
£923 GBP
$1,246 USD
View
Price last confirmed 8 days ago
4 more retailers have this diamond
Prices start from £171 GBPSave up to £539 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
1.51ct Oval
£171 GBP