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Heart|Lab Grown|IGI

3.31ct G VVS1 Heart Lab Grown Diamond

ID • G/VVS1 • IGI LG649480217

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG649480217

Diamond specifications and retailer prices

From £420 GBP
$563 USD
As of October 31, 2026
Save £2,707 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,127 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.31ct lab-grown heart diamond

This 3.31ct lab-grown heart sits in the three to five carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG649480217 or 649480217. Listed at 19 retailers as of October 31, 2026, with prices from £420 to £3,127, a £2,707 spread on the same certified stone. Brilliant Earth lists it at £3,127. 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

3.31
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649480217
Dimensions10.21 × 8.93 × 6.17 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.21 mm8.93 mm3.31 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649480217
Side View
Table 58.0%Crown 33.2°Girdle: MED-THKPavilion 40.9°Culet: NoneDepth 60.4%

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 31
Current: £3,127 GBP|Low: £375 GBP|High: £4,821 GBP|Avg: £1,136 GBP|-35.1%
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
November 1, 2026
Retailer 6£375 GBP
Retailer 8£420 GBP
Retailer 7£465 GBP
Retailer 14£500 GBP
Retailer 9£561 GBP
Retailer 15£649 GBP
Retailer 10£693 GBP
Retailer 12£885 GBP
Retailer 13£909 GBP
Retailer 11£955 GBP
Retailer 16£1,164 GBP
Retailer 5£1,328 GBP
Retailer 4£1,370 GBP
Retailer 2£1,539 GBP
Retailer 3£1,568 GBP
Brilliant Earth£3,127 GBP

38 data points across 16 retailers

19 retailers£420 GBP to £3,127 GBP

A
Cheapest Retailer
-
£420 GBP
$563 USD
Final sale: no returns
Retailer 2
-
£420 GBP
$563 USD
View
Price last confirmed 34 days ago
Retailer 3
-
£459 GBP
$615 USD
View
Price last confirmed 35 days ago
A
Retailer 4
-
£500 GBP
$670 USD
View
B+
Retailer 5
-
£561 GBP
$752 USD
View
A
Retailer 6
-
£649 GBP
$870 USD
View
A
Retailer 7
-
£693 GBP
View
A
Retailer 8
-
£885 GBP
A$1,824 AUD
View
A
Retailer 9
-
£909 GBP
ZAR 19,686 ZAR
View
A
Retailer 10
-
£955 GBP
$1,279 USD
View
A
Retailer 11
-
£1,011 GBP
$1,354 USD
View
B+
Retailer 12
-
£1,164 GBP
$1,560 USD
View
Retailer 13
-
£1,223 GBP
$1,639 USD
View
Price last confirmed 32 days ago
B+
Retailer 14
-
£1,328 GBP
SGD 2,405 SGD
View
B+
Retailer 15
-
£1,370 GBP
$1,836 USD
View
B+
Retailer 16
-
£1,470 GBP
$1,969 USD
View
B+
Retailer 17
-
£1,539 GBP
View
B+
Retailer 18
-
£1,568 GBP
$2,101 USD
View
Most Expensive
B
Brilliant Earth
14069157A · Oct 31
£3,127 GBP
$4,190 USD
View
18 more retailers have this diamond
Prices start from £420 GBPSave up to £2,707 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
3.31ct Heart
£420 GBP