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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 $619 USD
As of October 30, 2026
Save $1,910 USD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,039 USD 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,039 USD|Low: $594 USD|High: $3,059 USD|Avg: $1,548 USD|+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 1, 2026
Retailer 15$619 USD
Retailer 6$692 USD
Retailer 7$767 USD
Retailer 17$767 USD
Retailer 2$854 USD
Retailer 13$895 USD
Retailer 9$1,137 USD
Retailer 5$1,175 USD
Retailer 10$1,202 USD
Retailer 11$1,620 USD
Retailer 12$1,666 USD
Retailer 14$1,903 USD
Retailer 4$2,017 USD
Retailer 8$2,419 USD
Retailer 16$2,448 USD
Retailer 3$2,529 USD
MOH London$3,039 USD

45 data points across 17 retailers

21 retailers$619 USD to $2,529 USD

A
Cheapest Retailer
-
$619 USD
A
Retailer 2
-
$692 USD
View
Final sale: no returns
A
Retailer 3
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$693 USD
View
A
Retailer 4
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$767 USD
View
Retailer 5
-
$767 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$832 USD
HK$6,500 HKD
View
A
Retailer 7
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$854 USD
£672 GBP
View
A
Retailer 8
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$895 USD
View
A
Retailer 9
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$1,137 USD
View
A
Retailer 10
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$1,175 USD
View
A
Retailer 11
-
$1,202 USD
£946 GBP
View
A
Retailer 12
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$1,376 USD
View
B+
Retailer 13
-
$1,620 USD
A$2,493 AUD
View
A
Retailer 14
-
$1,666 USD
ZAR 26,915 ZAR
View
B+
Retailer 15
-
$1,903 USD
View
B+
Retailer 16
-
$2,017 USD
View
B+
Retailer 17
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$2,419 USD
SGD 3,269 SGD
View
B+
Retailer 18
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$2,448 USD
View
B+
Retailer 19
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$2,478 USD
View
B
Retailer 20
-
$2,529 USD
View
Most Expensive
MOH London
LG685501332 · Oct 21
$3,039 USD
£2,393 GBP
View
Price last confirmed 11 days ago
20 more retailers have this diamond
Prices start from $619 USDSave up to $1,910 USD

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
$619 USD