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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 $911 AUD
$640 USD
As of October 29, 2026
Save $7,275 AUD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,186 AUD 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 $911 to $8,186, a $7,275 spread on the same certified stone. Brilliant Earth lists it at $8,186. 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
Colour
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: $8,186 AUD|Low: $911 AUD|High: $8,442 AUD|Avg: $2,789 AUD|-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 30, 2026
Retailer 16$911 AUD
Retailer 5$1,009 AUD
Retailer 6$1,009 AUD
Retailer 15$1,167 AUD
Retailer 9$1,337 AUD
Retailer 7$1,545 AUD
Retailer 2$1,747 AUD
Retailer 12$2,368 AUD
Retailer 11$2,420 AUD
Retailer 14$2,504 AUD
Retailer 8$3,233 AUD
Retailer 4$3,250 AUD
Retailer 17$3,364 AUD
Retailer 13$3,730 AUD
Retailer 10$4,413 AUD
Retailer 3$7,232 AUD
Brilliant Earth$8,186 AUD

43 data points across 17 retailers

21 retailers$911 AUD to $8,186 AUD

Retailer 1
-
$782 AUD
$549 USD
Price last confirmed 28 days ago
Retailer 2
-
$911 AUD
$640 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
$911 AUD
$640 USD
View
Final sale: no returns
Retailer 4
-
$1,009 AUD
$709 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$1,167 AUD
$820 USD
View
B+
Retailer 6
-
$1,337 AUD
$939 USD
View
A
Retailer 7
-
$1,498 AUD
$1,052 USD
View
A
Retailer 8
-
$1,545 AUD
$1,085 USD
View
A
Retailer 9
-
$1,747 AUD
£966 GBP
View
Retailer 10
-
$2,368 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$2,420 AUD
ZAR 27,461 ZAR
View
B+
Retailer 12
-
$2,504 AUD
$1,759 USD
View
Retailer 13
-
$2,930 AUD
$2,058 USD
View
Price last confirmed 30 days ago
B+
Retailer 14
-
$3,233 AUD
£1,788 GBP
View
B+
Retailer 15
-
$3,250 AUD
$2,283 USD
View
B
Retailer 16
-
$3,364 AUD
$2,363 USD
View
Retailer 17
-
$3,730 AUD
$2,620 USD
View
Price last confirmed 12 days ago
B
Retailer 18
-
$3,764 AUD
$2,644 USD
View
B
Retailer 19
-
$4,413 AUD
£2,441 GBP
View
B
Retailer 20
-
$7,232 AUD
$5,080 USD
View
Most Expensive
B
Brilliant Earth
18588717A · Oct 29
$8,186 AUD
$5,750 USD
View
20 more retailers have this diamond
Prices start from $911 AUDSave up to $7,275 AUD

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
$911 AUD