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Oval|Lab Grown|IGI

1.65ct I VS1 Oval Lab Grown Diamond

EX • I/VS1 • IGI LG523279294

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG523279294

Diamond specifications and retailer prices

From £1,000 GBP
$1,340 USD
As of October 28, 2026
3 retailers carry this diamond
Most expensive: £1,770 GBP at Cape Diamonds · As of October 6, 2026
View at Cape Diamonds

About this 1.65ct lab-grown oval diamond

This 1.65ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG523279294 or 523279294. Listed at 3 retailers as of October 28, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523279294
Dimensions9.71 × 6.66 × 4.08 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.71 mm6.66 mm1.65 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523279294
Side View
Table 60.5%Crown 35.9°GirdlePavilion 40.1°Culet: NoneDepth 61.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: £1,770 GBP|Low: £841 GBP|High: £4,285 GBP|Avg: £1,590 GBP
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 28, 2026
Retailer 4£841 GBP
Retailer 6£1,000 GBP
Retailer 8£1,052 GBP
Retailer 5£1,373 GBP
Cape Diamonds£1,770 GBP
Retailer 7£1,858 GBP
Retailer 3£2,650 GBP
Retailer 2£4,285 GBP

4 data points across 8 retailers

3 retailers

B
Cheapest Retailer
-
£1,000 GBP
$1,340 USD
Most Expensive
Cape Diamonds
cert_523279294 · Oct 6
£1,770 GBP
ZAR 38,306 ZAR
View
Price last confirmed 25 days ago
1 more retailer has this diamond
Prices start from £1,000 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.

B
1.65ct Oval
£1,000 GBP