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Heart|Lab Grown|IGI

1.31ct G VVS1 Heart Lab Grown Diamond

EX • G/VVS1 • IGI LG579375103

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG579375103

Diamond specifications and retailer prices

From €337 EUR
As of November 4, 2026
Save €525 EUR (61%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,137 EUR at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.31ct lab-grown heart diamond

This 1.31ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG579375103 or 579375103. Listed at 17 retailers as of November 4, 2026, with a 156% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579375103
Dimensions6.67 × 7.77 × 4.49 mm
L/W Ratio1.16
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
6.67 mm7.77 mm1.31 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579375103
Side View
Table 57.0%Crown 33.7°Girdle: MED-THKPavilion 38.5°Culet: NoneDepth 57.8%

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: Nov 4
Current: €464 EUR|Low: €193 EUR|High: €1,011 EUR|Avg: €451 EUR|+2.8%
Retailer 1
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
November 5, 2026
Retailer 13€201 EUR
Retailer 6€225 EUR
Retailer 3€233 EUR
Retailer 4€249 EUR
Retailer 14€249 EUR
Retailer 12€337 EUR
Retailer 7€402 EUR
Retailer 8€429 EUR
Retailer 1€464 EUR
Retailer 5€531 EUR
Retailer 9€609 EUR
Retailer 2€802 EUR
Retailer 11€805 EUR
Retailer 10€1,001 EUR

45 data points across 14 retailers

17 retailers€337 EUR to €862 EUR

Retailer 1
-
€201 EUR
Price last confirmed 10 days ago
Retailer 2
-
€233 EUR
View
Price last confirmed 9 days ago
Retailer 3
-
€249 EUR
View
Price last confirmed 12 days ago
Retailer 4
-
€249 EUR
View
Price last confirmed 12 days ago
B+
Retailer 5
-
€337 EUR
View
A
Retailer 6
-
€402 EUR
View
Retailer 7
-
€429 EUR
View
Price last confirmed 9 days ago
B+
Retailer 8
-
€464 EUR
View
B+
Retailer 9
-
€531 EUR
View
Retailer 10
-
€581 EUR
View
Price last confirmed 10 days ago
Retailer 11
-
€609 EUR
View
Price last confirmed 10 days ago
Retailer 12
-
€802 EUR
View
Price last confirmed 12 days ago
Retailer 13
-
€805 EUR
View
Price last confirmed 11 days ago
Retailer 14
-
€848 EUR
View
Price last confirmed 9 days ago
B
Retailer 15
-
€862 EUR
View
Retailer 16
-
€1,001 EUR
View
Price last confirmed 11 days ago
Most Expensive
Reve Diamonds
D5C270E3F · Oct 28
€1,137 EUR
$1,276 USD
View
Price last confirmed 8 days ago
16 more retailers have this diamond
Prices start from €337 EURSave up to €525 EUR

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
1.31ct Heart
€337 EUR