Emerald|Lab Grown|IGI

1.70ct I SI1 Emerald Lab Grown Diamond

ID • I/SI1 • IGI LG440012310

Shape and cutting style on the report: Emerald cut

Certificate IGI LG440012310

Diamond specifications and retailer prices

From $1,465 USD
As of October 30, 2026
Save $3,414 USD (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,879 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct lab-grown emerald diamond

This 1.7ct lab-grown emerald sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440012310 or 440012310. Listed at 11 retailers as of October 29, 2026, with prices from $1,465 to $4,879, a $3,414 spread on the same certified stone. MOH London lists it at $4,879. 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

1.70
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle18°
Pavilion angle43.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012310
Dimensions7.93 × 5.62 × 3.86 mm
L/W Ratio1.41
Culet sizeLong
Cert comments
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Top View
7.93 mm5.62 mm1.70 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440012310
Side View
Table 59.0%Crown 18°Girdle: MED-STKPavilion 43.5°Culet: LNGDepth 68.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,879 USD|Low: $1,406 USD|High: $4,911 USD|Avg: $2,457 USD|+0.5%
MOH London
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 2$1,465 USD
Retailer 7$1,550 USD
Retailer 12$1,594 USD
Retailer 13$1,639 USD
Retailer 8$1,699 USD
Retailer 11$1,699 USD
Retailer 14$1,870 USD
Retailer 6$1,885 USD
Retailer 4$2,313 USD
Retailer 9$2,679 USD
Retailer 3$3,084 USD
Retailer 10$3,185 USD
Retailer 5$4,865 USD
MOH London$4,879 USD

16 data points across 14 retailers

11 retailers$1,465 USD to $4,879 USD

B+
Cheapest Retailer
-
$1,465 USD
B+
Retailer 2
-
$1,550 USD
View
B
Retailer 3
-
$1,594 USD
View
B
Retailer 4
-
$1,639 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,699 USD
View
Retailer 6
-
$1,699 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$1,870 USD
View
B
Retailer 8
-
$2,679 USD
View
B
Retailer 9
-
$3,084 USD
View
B
Retailer 10
-
$3,185 USD
View
Most Expensive
B
MOH London
LG440012310 · Oct 29
$4,879 USD
£3,842 GBP
View
10 more retailers have this diamond
Prices start from $1,465 USDSave up to $3,414 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.

B+
1.70ct Emerald
$1,465 USD