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Round|Lab Grown|IGI

3.65ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG619438630

Shape and cutting style on the report: Round brilliant

Certificate IGI LG619438630

Diamond specifications and retailer prices

From £461 GBP
HK$4,800 HKD
As of October 30, 2026
Save £1,093 GBP (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,894 GBP at Rare Carat · As of September 9, 2026
View at Rare Carat

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 LG619438630 or 619438630. Listed at 10 retailers as of October 29, 2026, with a 237% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619438630
Dimensions9.88 × 9.83 × 6.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
9.88 mm9.83 mm3.65 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619438630
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.2%

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 30
Current: £694 GBP|Low: £572 GBP|High: £1,565 GBP|Avg: £889 GBP|+4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 5£572 GBP
Retailer 3£639 GBP
Retailer 6£663 GBP
Retailer 1£694 GBP
Retailer 4£1,336 GBP
Retailer 2£1,555 GBP

42 data points across 6 retailers

10 retailers£461 GBP to £1,555 GBP

A
Cheapest Retailer
-
£461 GBP
HK$4,800 HKD
B+
Retailer 2
-
£572 GBP
$762 USD
View
A
Retailer 3
-
£639 GBP
€810 EUR
View
A
Retailer 4
-
£663 GBP
$883 USD
View
A
Retailer 5
-
£694 GBP
View
B+
Retailer 6
-
£933 GBP
$1,243 USD
View
B+
Retailer 7
-
£1,336 GBP
SGD 2,405 SGD
View
B+
Retailer 8
-
£1,377 GBP
$1,833 USD
View
B+
Retailer 9
-
£1,555 GBP
View
Most Expensive
Rare Carat
MA-10601_l_619438630 · Sep 9
£1,894 GBP
$2,522 USD
View
Price last confirmed 50 days ago
9 more retailers have this diamond
Prices start from £461 GBPSave up to £1,093 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
£461 GBP