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Emerald|Lab Grown|IGI

1.51ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG811638170

Shape and cutting style on the report: Emerald cut

Certificate IGI LG811638170

Diamond specifications and retailer prices

From $697 NZD
$393 USD
As of October 30, 2026
Save $5,397 NZD (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,095 NZD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG811638170 or 811638170. Listed at 20 retailers as of October 28, 2026, with prices from $697 to $6,095, a $5,397 spread on the same certified stone. Rare Carat lists it at $6,095. 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
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle43.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638170
Dimensions7.68 × 5.31 × 3.61 mm
L/W Ratio1.45
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
7.68 mm5.31 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638170
Side View
Table 68.0%Crown 34.8°Girdle: Slightly ThickPavilion 43.6°Culet: LargeDepth 68.0%

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: $6,095 NZD|Low: $697 NZD|High: $6,778 NZD|Avg: $2,311 NZD|-0.4%
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
Retailer 19
Retailer 20
October 31, 2026
Retailer 10$697 NZD
Retailer 5$781 NZD
Retailer 8$781 NZD
Retailer 19$864 NZD
Retailer 20$864 NZD
Retailer 18$1,304 NZD
Retailer 9$1,372 NZD
Retailer 15$1,386 NZD
Retailer 2$1,405 NZD
Retailer 17$1,485 NZD
Retailer 4$1,859 NZD
Retailer 12$2,071 NZD
Retailer 11$2,755 NZD
Retailer 3$2,777 NZD
Retailer 6$2,786 NZD
Retailer 7$2,843 NZD
Retailer 14$3,025 NZD
Retailer 16$3,394 NZD
Retailer 13$5,234 NZD
Rare Carat$6,095 NZD

34 data points across 20 retailers

20 retailers$697 NZD to $6,095 NZD

A
Cheapest Retailer
-
$697 NZD
$393 USD
A
Retailer 2
-
$781 NZD
$440 USD
View
Final sale: no returns
A
Retailer 3
-
$781 NZD
$440 USD
View
A
Retailer 4
-
$864 NZD
$487 USD
View
A
Retailer 5
-
$864 NZD
$487 USD
View
A
Retailer 6
-
$1,304 NZD
$735 USD
View
A
Retailer 7
-
$1,372 NZD
$773 USD
View
A
Retailer 8
-
$1,386 NZD
€744 EUR
View
A
Retailer 9
-
$1,405 NZD
£624 GBP
View
A
Retailer 10
-
$1,485 NZD
ZAR 13,519 ZAR
View
B+
Retailer 11
-
$1,859 NZD
$1,048 USD
View
B+
Retailer 12
-
$2,071 NZD
$1,167 USD
View
B+
Retailer 13
-
$2,755 NZD
SGD 2,098 SGD
View
B+
Retailer 14
-
$2,777 NZD
$1,565 USD
View
B+
Retailer 15
-
$2,786 NZD
$1,570 USD
View
B+
Retailer 16
-
$2,843 NZD
$1,602 USD
View
B+
Retailer 17
-
$3,025 NZD
$1,705 USD
View
B+
Retailer 18
-
$3,394 NZD
£1,506 GBP
View
B
Retailer 19
-
$5,234 NZD
$2,950 USD
View
Most Expensive
B
Rare Carat
PD-222835 · Oct 28
$6,095 NZD
$3,435 USD
View
19 more retailers have this diamond
Prices start from $697 NZDSave up to $5,397 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
1.51ct Emerald
$697 NZD