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Heart|Lab Grown|IGI

3.70ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG685501332

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG685501332

Diamond specifications and retailer prices

From €554 EUR
$619 USD
As of October 30, 2026
Save €1,710 EUR (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,720 EUR at MOH London · As of October 21, 2026
View at MOH London

About this 3.7ct lab-grown heart diamond

This 3.7ct lab-grown heart 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 LG685501332 or 685501332. Listed at 21 retailers as of October 30, 2026, with a 309% 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

3.70
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685501332
Dimensions9.45 × 10.59 × 6.22 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.45 mm10.59 mm3.70 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685501332
Side View
Table 59.0%Crown 35.9°Girdle: MED-THKPavilion 40°Culet: NoneDepth 58.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €2,720 EUR|Low: €532 EUR|High: €2,738 EUR|Avg: €1,385 EUR|+0.5%
MOH London
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
Retailer 17
November 2, 2026
Retailer 15€554 EUR
Retailer 6€619 EUR
Retailer 7€687 EUR
Retailer 17€687 EUR
Retailer 10€764 EUR
Retailer 13€801 EUR
Retailer 9€1,018 EUR
Retailer 5€1,052 EUR
Retailer 2€1,076 EUR
Retailer 11€1,450 EUR
Retailer 12€1,491 EUR
Retailer 14€1,703 EUR
Retailer 4€1,805 EUR
Retailer 8€2,165 EUR
Retailer 16€2,191 EUR
Retailer 3€2,264 EUR
MOH London€2,720 EUR

45 data points across 17 retailers

21 retailers€554 EUR to €2,264 EUR

A
Cheapest Retailer
-
€554 EUR
$619 USD
A
Retailer 2
-
€619 EUR
$692 USD
View
Final sale: no returns
A
Retailer 3
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€620 EUR
$693 USD
View
A
Retailer 4
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€687 EUR
$767 USD
View
Retailer 5
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€687 EUR
$767 USD
View
Price last confirmed 16 days ago
A
Retailer 6
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€745 EUR
HK$6,500 HKD
View
A
Retailer 7
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€764 EUR
£672 GBP
View
A
Retailer 8
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€801 EUR
$895 USD
View
A
Retailer 9
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€1,018 EUR
$1,137 USD
View
A
Retailer 10
-
€1,052 EUR
$1,175 USD
View
A
Retailer 11
-
€1,076 EUR
£946 GBP
View
A
Retailer 12
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€1,232 EUR
$1,376 USD
View
B+
Retailer 13
-
€1,450 EUR
A$2,493 AUD
View
A
Retailer 14
-
€1,491 EUR
ZAR 26,915 ZAR
View
B+
Retailer 15
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€1,703 EUR
$1,903 USD
View
B+
Retailer 16
-
€1,805 EUR
$2,017 USD
View
B+
Retailer 17
-
€2,165 EUR
SGD 3,269 SGD
View
B+
Retailer 18
-
€2,191 EUR
$2,448 USD
View
B+
Retailer 19
-
€2,218 EUR
$2,478 USD
View
B
Retailer 20
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€2,264 EUR
$2,529 USD
View
Most Expensive
MOH London
LG685501332 · Oct 21
€2,720 EUR
£2,393 GBP
View
Price last confirmed 12 days ago
20 more retailers have this diamond
Prices start from €554 EURSave up to €1,710 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
3.70ct Heart
€554 EUR