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Emerald|Lab Grown|IGI

6.51ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG677549996

Shape and cutting style on the report: Emerald cut

Certificate IGI LG677549996

Diamond specifications and retailer prices

From $7,533 USD
As of October 30, 2026
Save $21,529 USD (74%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $29,062 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 6.51ct lab-grown emerald diamond

This 6.51ct lab-grown emerald sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG677549996 or 677549996. Listed at 21 retailers as of October 30, 2026, with prices from $7,533 to $29,062, a $21,529 spread on the same certified stone. Taylor and Hart lists it at $29,062. 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

6.51
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677549996
Dimensions13.95 × 8.26 × 5.23 mm
L/W Ratio1.69
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.95 mm8.26 mm6.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677549996
Side View
Table 64.0%Crown 34.2°Girdle: MED-STKPavilion 40.3°Culet: LargeDepth 63.3%

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 30
Current: $10,766 USD|Low: $7,232 USD|High: $29,062 USD|Avg: $13,756 USD|-1.9%
Retailer 1
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
Taylor and Hart
October 30, 2026
Retailer 2$7,533 USD
Retailer 7$7,835 USD
Retailer 9$8,436 USD
Retailer 18$8,680 USD
Retailer 3$8,738 USD
Retailer 6$8,738 USD
Retailer 15$9,110 USD
Retailer 17$9,720 USD
Retailer 5$9,827 USD
Retailer 1$10,766 USD
Retailer 8$12,527 USD
Retailer 12$13,859 USD
Retailer 16$16,670 USD
Retailer 14$16,706 USD
Retailer 11$16,908 USD
Retailer 13$17,249 USD
Retailer 4$21,249 USD
Retailer 10$24,328 USD
Taylor and Hart$29,062 USD

34 data points across 19 retailers

21 retailers$7,533 USD to $29,062 USD

A
Cheapest Retailer
-
$7,533 USD
A
Retailer 2
-
$7,834 USD
View
A
Retailer 3
-
$7,835 USD
View
A
Retailer 4
-
$8,436 USD
View
Final sale: no returns
A
Retailer 5
-
$8,680 USD
View
Retailer 6
-
$8,738 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
$8,738 USD
View
A
Retailer 8
-
$9,110 USD
View
A
Retailer 9
-
$9,720 USD
View
A
Retailer 10
-
$9,827 USD
View
A
Retailer 11
-
$10,766 USD
£8,477 GBP
View
A
Retailer 12
-
$12,527 USD
£9,864 GBP
View
A
Retailer 13
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$13,859 USD
€13,199 EUR
View
Retailer 14
-
$16,670 USD
A$25,646 AUD
View
Price last confirmed 7 days ago
A
Retailer 15
-
$16,706 USD
View
A
Retailer 16
-
$16,908 USD
ZAR 273,154 ZAR
View
A
Retailer 17
-
$17,249 USD
£13,582 GBP
View
B+
Retailer 18
-
$21,000 USD
View
B+
Retailer 19
-
$21,249 USD
View
B+
Retailer 20
-
$24,328 USD
View
Most Expensive
B+
Taylor and Hart
BKFTXHY · Oct 30
$29,062 USD
View
20 more retailers have this diamond
Prices start from $7,533 USDSave up to $21,529 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
6.51ct Emerald
$7,533 USD