Emerald|Lab Grown|IGI

5.51ct E VS2 Emerald Lab Grown Diamond

ID • E/VS2 • IGI LG817636911

Shape and cutting style on the report: Emerald cut

Certificate IGI LG817636911

Diamond specifications and retailer prices

From $685 USD
As of October 30, 2026
Save $3,390 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,075 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.51ct lab-grown emerald diamond

This 5.51ct lab-grown emerald sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817636911 or 817636911. Listed at 18 retailers as of October 28, 2026, with prices from $685 to $4,075, a $3,390 spread on the same certified stone. Rare Carat lists it at $4,075. 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

5.51
Carat
E
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle44°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817636911
Dimensions12.56 × 8.11 × 5.56 mm
L/W Ratio1.55
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.56 mm8.11 mm5.51 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817636911
Side View
Table 71.0%Crown 35.2°Girdle: MediumPavilion 44°Culet: LargeDepth 68.6%

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 30
Current: $4,075 USD|Low: $540 USD|High: $4,095 USD|Avg: $1,761 USD|-0.5%
Rare Carat
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
Retailer 18
October 30, 2026
Retailer 17$685 USD
Retailer 10$745 USD
Retailer 7$767 USD
Retailer 3$795 USD
Retailer 13$795 USD
Retailer 11$970 USD
Retailer 5$1,196 USD
Retailer 2$1,272 USD
Retailer 6$1,293 USD
Retailer 14$2,030 USD
Retailer 16$2,234 USD
Retailer 15$2,244 USD
Retailer 4$2,469 USD
Retailer 9$2,614 USD
Retailer 8$2,711 USD
Retailer 18$2,740 USD
Retailer 12$3,366 USD
Rare Carat$4,075 USD

44 data points across 18 retailers

18 retailers$685 USD to $4,075 USD

A
Cheapest Retailer
-
$685 USD
A
Retailer 2
-
$745 USD
View
A
Retailer 3
-
$767 USD
View
Final sale: no returns
A
Retailer 4
-
$795 USD
View
Retailer 5
-
$795 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$970 USD
View
A
Retailer 7
-
$1,196 USD
View
A
Retailer 8
-
$1,272 USD
£1,002 GBP
View
B+
Retailer 9
-
$1,293 USD
View
B+
Retailer 10
-
$2,030 USD
View
B+
Retailer 11
-
$2,234 USD
View
B+
Retailer 12
-
$2,244 USD
View
B+
Retailer 13
-
$2,469 USD
£1,944 GBP
View
B+
Retailer 14
-
$2,614 USD
View
B+
Retailer 15
-
$2,711 USD
View
B+
Retailer 16
-
$2,740 USD
View
Retailer 17
-
$3,366 USD
£2,650 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Rare Carat
N-02_l_817636911 · Oct 28
$4,075 USD
View
17 more retailers have this diamond
Prices start from $685 USDSave up to $3,390 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
5.51ct Emerald
$685 USD