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Emerald|Lab Grown|IGI

3.70ct G VS1 Emerald Lab Grown Diamond

EX • G/VS1 • IGI LG645459299

Shape and cutting style on the report: Emerald cut

Certificate IGI LG645459299

Diamond specifications and retailer prices

From $640 USD
As of October 29, 2026
Save $5,110 USD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,750 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.7ct lab-grown emerald diamond

This 3.7ct lab-grown emerald 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 LG645459299 or 645459299. Listed at 21 retailers as of October 29, 2026, with prices from $640 to $5,750, a $5,110 spread on the same certified stone. Brilliant Earth lists it at $5,750. 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 angle38.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645459299
Dimensions10.34 × 7.32 × 5.09 mm
L/W Ratio1.41
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.34 mm7.32 mm3.70 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645459299
Side View
Table 61.0%Crown 38.8°Girdle: MED-STKPavilion 41.3°Culet: LNGDepth 69.5%

Caratlytics Score

How it works →
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 29
Current: $5,750 USD|Low: $640 USD|High: $5,930 USD|Avg: $1,957 USD|-3.0%
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
Retailer 17
October 29, 2026
Retailer 16$640 USD
Retailer 5$709 USD
Retailer 6$709 USD
Retailer 15$820 USD
Retailer 9$939 USD
Retailer 7$1,085 USD
Retailer 2$1,223 USD
Retailer 12$1,663 USD
Retailer 11$1,700 USD
Retailer 14$1,759 USD
Retailer 8$2,271 USD
Retailer 4$2,283 USD
Retailer 17$2,363 USD
Retailer 13$2,620 USD
Retailer 10$3,100 USD
Retailer 3$5,080 USD
Brilliant Earth$5,750 USD

42 data points across 17 retailers

21 retailers$640 USD to $5,750 USD

A
Retailer 1
-
$549 USD
Price last confirmed 27 days ago
A
Retailer 2
-
$640 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$640 USD
View
Final sale: no returns
A
Retailer 4
-
$709 USD
View
Price last confirmed 26 days ago
A
Retailer 5
-
$820 USD
View
B+
Retailer 6
-
$939 USD
View
A
Retailer 7
-
$1,052 USD
View
A
Retailer 8
-
$1,085 USD
View
A
Retailer 9
-
$1,223 USD
£963 GBP
View
B+
Retailer 10
-
$1,663 USD
A$2,559 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$1,700 USD
ZAR 27,461 ZAR
View
B+
Retailer 12
-
$1,759 USD
View
B+
Retailer 13
-
$2,058 USD
View
Price last confirmed 29 days ago
B+
Retailer 14
-
$2,271 USD
£1,788 GBP
View
B+
Retailer 15
-
$2,283 USD
View
B
Retailer 16
-
$2,363 USD
View
B
Retailer 17
-
$2,620 USD
View
Price last confirmed 11 days ago
B
Retailer 18
-
$2,644 USD
View
B
Retailer 19
-
$3,100 USD
£2,441 GBP
View
B
Retailer 20
-
$5,080 USD
View
Most Expensive
B
Brilliant Earth
18588717A · Oct 29
$5,750 USD
View
20 more retailers have this diamond
Prices start from $640 USDSave up to $5,110 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 Emerald
$640 USD