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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 $1,136 NZD
$640 USD
As of October 29, 2026
Save $9,067 NZD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,202 NZD 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 $1,136 to $10,202, a $9,067 spread on the same certified stone. Brilliant Earth lists it at $10,202. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $10,202 NZD|Low: $1,136 NZD|High: $10,522 NZD|Avg: $3,487 NZD|-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 31, 2026
Retailer 16$1,136 NZD
Retailer 5$1,258 NZD
Retailer 6$1,258 NZD
Retailer 10$1,490 NZD
Retailer 9$1,666 NZD
Retailer 7$1,925 NZD
Retailer 2$2,177 NZD
Retailer 11$2,934 NZD
Retailer 13$3,016 NZD
Retailer 15$3,121 NZD
Retailer 8$4,029 NZD
Retailer 4$4,051 NZD
Retailer 17$4,193 NZD
Retailer 14$4,649 NZD
Retailer 12$5,500 NZD
Retailer 3$9,013 NZD
Brilliant Earth$10,202 NZD

43 data points across 17 retailers

21 retailers$1,136 NZD to $10,202 NZD

Retailer 1
-
$974 NZD
$549 USD
Price last confirmed 29 days ago
Retailer 2
-
$1,136 NZD
$640 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
$1,136 NZD
$640 USD
View
Final sale: no returns
Retailer 4
-
$1,258 NZD
$709 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$1,490 NZD
$840 USD
View
B+
Retailer 6
-
$1,666 NZD
$939 USD
View
A
Retailer 7
-
$1,867 NZD
$1,052 USD
View
A
Retailer 8
-
$1,925 NZD
$1,085 USD
View
A
Retailer 9
-
$2,177 NZD
£966 GBP
View
B+
Retailer 10
-
$2,934 NZD
A$2,544 AUD
View
B+
Retailer 11
-
$3,016 NZD
ZAR 27,461 ZAR
View
B+
Retailer 12
-
$3,121 NZD
$1,759 USD
View
Retailer 13
-
$3,652 NZD
$2,058 USD
View
Price last confirmed 30 days ago
B+
Retailer 14
-
$4,029 NZD
£1,788 GBP
View
B+
Retailer 15
-
$4,051 NZD
$2,283 USD
View
B
Retailer 16
-
$4,193 NZD
$2,363 USD
View
Retailer 17
-
$4,649 NZD
$2,620 USD
View
Price last confirmed 12 days ago
B
Retailer 18
-
$4,691 NZD
$2,644 USD
View
B
Retailer 19
-
$5,500 NZD
£2,441 GBP
View
B
Retailer 20
-
$9,013 NZD
$5,080 USD
View
Most Expensive
B
Brilliant Earth
18588717A · Oct 29
$10,202 NZD
$5,750 USD
View
20 more retailers have this diamond
Prices start from $1,136 NZDSave up to $9,067 NZD

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
$1,136 NZD