Emerald|Lab Grown|IGI

1.51ct E FL Emerald Lab Grown Diamond

EX • E/FL • IGI LG780663551

Shape and cutting style on the report: Emerald cut

Certificate IGI LG780663551

Diamond specifications and retailer prices

From $653 USD
HK$5,100 HKD
As of October 29, 2026
Save $3,167 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,820 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780663551 or 780663551. Listed at 13 retailers as of October 28, 2026, with prices from $653 to $3,820, a $3,167 spread on the same certified stone. Brilliant Earth lists it at $3,820. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663551
Dimensions7.61 × 5.38 × 3.65 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.61 mm5.38 mm1.51 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663551
Side View
Table 62.0%Crown 32.8°Girdle: Slightly ThickPavilion 40.2°Culet: LargeDepth 67.8%

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: $3,820 USD|Low: $370 USD|High: $3,820 USD|Avg: $1,384 USD
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
October 29, 2026
Retailer 6$370 USD
Retailer 10$653 USD
Retailer 4$805 USD
Retailer 12$806 USD
Retailer 2$879 USD
Retailer 8$938 USD
Retailer 7$979 USD
Retailer 3$1,072 USD
Retailer 14$1,329 USD
Retailer 13$1,862 USD
Retailer 5$1,963 USD
Retailer 9$2,094 USD
Retailer 11$2,131 USD
Brilliant Earth$3,820 USD

41 data points across 14 retailers

13 retailers$653 USD to $3,820 USD

A
Cheapest Retailer
-
$653 USD
HK$5,100 HKD
A
Retailer 2
-
$805 USD
View
A
Retailer 3
-
$806 USD
View
A
Retailer 4
-
$879 USD
€837 EUR
View
A
Retailer 5
-
$938 USD
£738 GBP
View
A
Retailer 6
-
$979 USD
ZAR 15,810 ZAR
View
B+
Retailer 7
-
$1,072 USD
View
B+
Retailer 8
-
$1,329 USD
View
B
Retailer 9
-
$1,862 USD
View
B
Retailer 10
-
$1,963 USD
View
B
Retailer 11
-
$2,094 USD
£1,649 GBP
View
B
Retailer 12
-
$2,131 USD
View
Most Expensive
B
Brilliant Earth
19088160A · Oct 28
$3,820 USD
View
12 more retailers have this diamond
Prices start from $653 USDSave up to $3,167 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
1.51ct Emerald
$653 USD