Oval|Lab Grown|IGI

3.70ct G VVS2 Oval Lab Grown Diamond

ID • G/VVS2 • IGI LG803658658

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG803658658

Diamond specifications and retailer prices

From £366 GBP
$488 USD
As of October 27, 2026
Save £2,886 GBP (89%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,252 GBP at Helzberg Diamonds · As of October 24, 2026
View at Helzberg Diamonds

About this 3.7ct lab-grown oval diamond

This 3.7ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG803658658 or 803658658. Listed at 5 retailers as of October 24, 2026, with prices from £366 to £3,252, a £2,886 spread on the same certified stone. Helzberg Diamonds lists it at £3,252. 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

3.70
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803658658
Dimensions12.44 × 8.92 × 5.40 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.44 mm8.92 mm3.70 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803658658
Side View
Table 61.0%Crown 34.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £3,252 GBP|Low: £366 GBP|High: £3,252 GBP|Avg: £1,072 GBP
Helzberg Diamonds
Retailer 2
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Retailer 14
October 26, 2026
Retailer 7£366 GBP
Retailer 12£394 GBP
Retailer 9£397 GBP
Retailer 11£419 GBP
Retailer 14£607 GBP
Retailer 10£620 GBP
Retailer 2£688 GBP
Retailer 5£828 GBP
Retailer 4£1,023 GBP
Retailer 3£1,058 GBP
Retailer 13£1,301 GBP
Retailer 6£1,640 GBP
Retailer 8£2,579 GBP
Helzberg Diamonds£3,252 GBP

34 data points across 14 retailers

5 retailers£366 GBP to £3,252 GBP

A
Cheapest Retailer
-
£366 GBP
$488 USD
Final sale: no returns
A
Retailer 2
-
£688 GBP
View
Retailer 3
-
£828 GBP
ZAR 17,807 ZAR
View
Price last confirmed 65 days ago
Retailer 4
-
£2,579 GBP
$3,435 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Helzberg Diamonds
ZXZOGJMLOMLO · Oct 24
£3,252 GBP
$4,331 USD
View
4 more retailers have this diamond
Prices start from £366 GBPSave up to £2,886 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
3.70ct Oval
£366 GBP