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Emerald|Lab Grown|IGI

1.50ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG700575878

Shape and cutting style on the report: Emerald cut

Certificate IGI LG700575878

Diamond specifications and retailer prices

From €278 EUR
$311 USD
As of October 30, 2026
Save €1,467 EUR (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,745 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.5ct lab-grown emerald diamond

This 1.5ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG700575878 or 700575878. Listed at 16 retailers as of October 29, 2026, with prices from €278 to €1,745, a €1,467 spread on the same certified stone. Brilliant Earth lists it at €1,745. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.8°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700575878
Dimensions7.71 × 5.45 × 3.70 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.71 mm5.45 mm1.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700575878
Side View
Table 62.0%Crown 28.8°Girdle: MED-STKPavilion 43.4°Culet: LargeDepth 67.9%

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: €1,745 EUR|Low: €221 EUR|High: €1,799 EUR|Avg: €782 EUR|-3.0%
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 31, 2026
Retailer 11€278 EUR
Retailer 3€311 EUR
Retailer 12€346 EUR
Retailer 13€346 EUR
Retailer 6€378 EUR
Retailer 8€483 EUR
Retailer 10€562 EUR
Retailer 14€576 EUR
Retailer 2€615 EUR
Retailer 9€1,061 EUR
Retailer 4€1,151 EUR
Retailer 5€1,386 EUR
Retailer 7€1,391 EUR
Brilliant Earth€1,745 EUR

42 data points across 14 retailers

16 retailers€278 EUR to €1,745 EUR

A
Cheapest Retailer
-
€278 EUR
$311 USD
A
Retailer 2
-
€311 EUR
$347 USD
View
Final sale: no returns
A
Retailer 3
-
€323 EUR
$361 USD
View
A
Retailer 4
-
€346 EUR
$386 USD
View
A
Retailer 5
-
€346 EUR
$386 USD
View
A
Retailer 6
-
€378 EUR
HK$3,300 HKD
View
B+
Retailer 7
-
€483 EUR
$540 USD
View
B
Retailer 8
-
€562 EUR
$628 USD
View
B
Retailer 9
-
€576 EUR
$644 USD
View
B+
Retailer 10
-
€615 EUR
£541 GBP
View
B
Retailer 11
-
€1,061 EUR
$1,185 USD
View
B
Retailer 12
-
€1,110 EUR
$1,240 USD
View
B
Retailer 13
-
€1,151 EUR
$1,286 USD
View
B
Retailer 14
-
€1,386 EUR
$1,548 USD
View
B
Retailer 15
-
€1,391 EUR
£1,224 GBP
View
Most Expensive
B
Brilliant Earth
14466497A · Oct 29
€1,745 EUR
$1,950 USD
View
15 more retailers have this diamond
Prices start from €278 EURSave up to €1,467 EUR

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
1.50ct Emerald
€278 EUR