CaratHunter
Plans
Emerald|Lab Grown|IGI

3.91ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG595391027

Shape and cutting style on the report: Emerald cut

Certificate IGI LG595391027

Diamond specifications and retailer prices

From $636 AUD
$447 USD
As of October 27, 2026
Save $8,075 AUD (93%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,711 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.91ct lab-grown emerald diamond

This 3.91ct 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 LG595391027 or 595391027. Listed at 20 retailers as of October 27, 2026, with prices from $636 to $8,711, a $8,075 spread on the same certified stone. Brilliant Earth lists it at $8,711. 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

3.91
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle44.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG595391027
Dimensions10.49 × 7.47 × 5.16 mm
L/W Ratio1.40
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.49 mm7.47 mm3.91 ctG / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG595391027
Side View
Table 69.0%Crown 37.3°Girdle: MED-STKPavilion 44.2°Culet: LNGDepth 69.1%

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 27
Current: $8,711 AUD|Low: $611 AUD|High: $8,711 AUD|Avg: $1,910 AUD
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 17$636 AUD
Retailer 6$713 AUD
Retailer 8$713 AUD
Retailer 3$789 AUD
Retailer 4$789 AUD
Retailer 7$1,240 AUD
Retailer 12$1,245 AUD
Retailer 9$1,264 AUD
Retailer 10$1,264 AUD
Retailer 2$1,301 AUD
Retailer 11$1,713 AUD
Retailer 15$1,887 AUD
Retailer 5$2,536 AUD
Retailer 14$2,914 AUD
Retailer 16$2,952 AUD
Retailer 13$4,057 AUD
Brilliant Earth$8,711 AUD

40 data points across 17 retailers

20 retailers$636 AUD to $8,711 AUD

A
Cheapest Retailer
-
$636 AUD
$447 USD
A
Retailer 2
-
$713 AUD
$501 USD
View
Final sale: no returns
A
Retailer 3
-
$713 AUD
$501 USD
View
A
Retailer 4
-
$789 AUD
$554 USD
View
Retailer 5
-
$789 AUD
$554 USD
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$1,240 AUD
$871 USD
View
A
Retailer 7
-
$1,245 AUD
$875 USD
View
A
Retailer 8
-
$1,264 AUD
$888 USD
View
A
Retailer 9
-
$1,264 AUD
€846 EUR
View
A
Retailer 10
-
$1,301 AUD
£720 GBP
View
A
Retailer 11
-
$1,713 AUD
ZAR 19,440 ZAR
View
B+
Retailer 12
-
$1,887 AUD
$1,326 USD
View
B+
Retailer 13
-
$2,065 AUD
$1,451 USD
View
B+
Retailer 14
-
$2,536 AUD
$1,782 USD
View
B+
Retailer 15
-
$2,583 AUD
$1,814 USD
View
B+
Retailer 16
-
$2,902 AUD
$2,039 USD
View
B+
Retailer 17
-
$2,914 AUD
£1,612 GBP
View
B+
Retailer 18
-
$2,952 AUD
$2,074 USD
View
Retailer 19
-
$4,057 AUD
$2,850 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
8058543A · Oct 29
$8,711 AUD
$6,120 USD
View
19 more retailers have this diamond
Prices start from $636 AUDSave up to $8,075 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
3.91ct Emerald
$636 AUD