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Round|Lab Grown|IGI

3.65ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG698563879

Shape and cutting style on the report: Round brilliant

Certificate IGI LG698563879

Diamond specifications and retailer prices

From £345 GBP
$460 USD
As of October 29, 2026
Save £2,275 GBP (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,621 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.65ct lab-grown round diamond

This 3.65ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG698563879 or 698563879. Listed at 23 retailers as of October 29, 2026, with prices from £345 to £2,621, a £2,275 spread on the same certified stone. Brilliant Earth lists it at £2,621. 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

3.65
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG698563879
Dimensions9.90 × 9.95 × 5.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.90 mm9.95 mm3.65 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG698563879
Side View
Table 59.0%Crown 33.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.3%

Caratlytics Score

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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: £2,621 GBP|Low: £386 GBP|High: £3,049 GBP|Avg: £1,068 GBP|-14.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 7£386 GBP
Retailer 14£387 GBP
Retailer 12£533 GBP
Retailer 4£572 GBP
Retailer 10£652 GBP
Retailer 9£705 GBP
Retailer 3£726 GBP
Retailer 2£904 GBP
Retailer 11£930 GBP
Retailer 15£989 GBP
Retailer 8£1,400 GBP
Retailer 6£1,496 GBP
Retailer 5£1,519 GBP
Retailer 13£1,575 GBP
Retailer 16£1,817 GBP
Brilliant Earth£2,621 GBP

38 data points across 16 retailers

23 retailers£345 GBP to £2,621 GBP

A
Cheapest Retailer
-
£345 GBP
$460 USD
A
Retailer 2
-
£386 GBP
$514 USD
View
Final sale: no returns
A
Retailer 3
-
£387 GBP
$515 USD
View
A
Retailer 4
-
£428 GBP
$570 USD
View
Retailer 5
-
£428 GBP
$570 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£533 GBP
$710 USD
View
B+
Retailer 7
-
£572 GBP
$762 USD
View
A
Retailer 8
-
£652 GBP
€827 EUR
View
A
Retailer 9
-
£705 GBP
View
A
Retailer 10
-
£726 GBP
$967 USD
View
A
Retailer 11
-
£904 GBP
A$1,853 AUD
View
A
Retailer 12
-
£930 GBP
ZAR 20,001 ZAR
View
A
Retailer 13
-
£936 GBP
$1,246 USD
View
B+
Retailer 14
-
£989 GBP
$1,317 USD
View
Retailer 15
-
£1,063 GBP
$1,415 USD
View
Price last confirmed 43 days ago
B+
Retailer 16
-
£1,376 GBP
$1,833 USD
View
B+
Retailer 17
-
£1,400 GBP
$1,864 USD
View
B+
Retailer 18
-
£1,496 GBP
$1,992 USD
View
B+
Retailer 19
-
£1,519 GBP
$2,023 USD
View
B+
Retailer 20
-
£1,575 GBP
View
B
Retailer 21
-
£1,602 GBP
$2,134 USD
View
Retailer 22
-
£1,817 GBP
$2,420 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
13942402A · Oct 29
£2,621 GBP
$3,490 USD
View
22 more retailers have this diamond
Prices start from £345 GBPSave up to £2,275 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
3.65ct Round
£345 GBP