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Oval|Lab Grown|IGI

3.56ct E VVS1 Oval Lab Grown Diamond

ID • E/VVS1 • IGI LG816687842

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816687842

Diamond specifications and retailer prices

From £687 GBP
$915 USD
As of October 29, 2026
Save £3,576 GBP (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £4,263 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 3.56ct lab-grown oval diamond

This 3.56ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816687842 or 816687842. Listed at 22 retailers as of October 27, 2026, with prices from £687 to £4,263, a £3,576 spread on the same certified stone. Queensmith lists it at £4,263. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.56
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816687842
Dimensions12.95 × 8.57 × 5.08 mm
L/W Ratio1.51
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.95 mm8.57 mm3.56 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816687842
Side View
Table 61.0%Crown 36.6°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 59.3%

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: £927 GBP|Low: £659 GBP|High: £3,409 GBP|Avg: £1,622 GBP|-0.6%
Retailer 1
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Retailer 20
October 30, 2026
Retailer 20£687 GBP
Retailer 19£747 GBP
Retailer 7£768 GBP
Retailer 3£797 GBP
Retailer 8£797 GBP
Retailer 1£927 GBP
Retailer 17£927 GBP
Retailer 10£1,016 GBP
Retailer 12£1,227 GBP
Retailer 6£1,278 GBP
Retailer 18£1,772 GBP
Retailer 16£1,798 GBP
Retailer 14£1,850 GBP
Retailer 11£1,861 GBP
Retailer 13£2,197 GBP
Retailer 9£2,240 GBP
Retailer 5£2,492 GBP
Retailer 4£2,609 GBP
Retailer 15£2,716 GBP
Retailer 2£3,404 GBP

37 data points across 20 retailers

22 retailers£687 GBP to £4,263 GBP

A
Cheapest Retailer
-
£687 GBP
$915 USD
A
Retailer 2
-
£747 GBP
$995 USD
View
A
Retailer 3
-
£768 GBP
$1,023 USD
View
Final sale: no returns
A
Retailer 4
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£797 GBP
$1,061 USD
View
Retailer 5
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£797 GBP
$1,061 USD
View
Price last confirmed 13 days ago
A
Retailer 6
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£927 GBP
View
A
Retailer 7
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£927 GBP
$1,235 USD
View
A
Retailer 8
-
£1,016 GBP
$1,353 USD
View
A
Retailer 9
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£1,227 GBP
View
A
Retailer 10
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£1,278 GBP
$1,702 USD
View
B+
Retailer 11
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£1,772 GBP
$2,360 USD
View
Retailer 12
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£1,798 GBP
A$3,683 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£1,850 GBP
ZAR 39,796 ZAR
View
B+
Retailer 14
-
£1,861 GBP
$2,478 USD
View
B+
Retailer 15
-
£2,197 GBP
View
B+
Retailer 16
-
£2,240 GBP
$2,983 USD
View
B+
Retailer 17
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£2,492 GBP
$3,319 USD
View
B+
Retailer 18
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£2,609 GBP
$3,474 USD
View
B+
Retailer 19
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£2,716 GBP
View
B
Retailer 20
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£2,769 GBP
$3,688 USD
View
Retailer 21
-
£3,404 GBP
A$6,974 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Queensmith
LG816687842 · Oct 27
£4,263 GBP
View
21 more retailers have this diamond
Prices start from £687 GBPSave up to £3,576 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
3.56ct Oval
£687 GBP