Emerald|Lab Grown|IGI

0.91ct J SI1 Emerald Lab Grown Diamond

VG • J/SI1 • IGI LG407936489

Shape and cutting style on the report: Emerald cut

Certificate IGI LG407936489

Diamond specifications and retailer prices

From $630 USD
As of October 29, 2026
Save $2,518 USD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,148 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct lab-grown emerald diamond

This 0.91ct lab-grown emerald sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG407936489 or 407936489. Listed at 10 retailers as of October 29, 2026, with prices from $630 to $3,148, a $2,518 spread on the same certified stone. MOH London lists it at $3,148. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.91
Carat
J
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle28.8°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407936489
Dimensions6.61 × 4.54 × 2.85 mm
L/W Ratio1.46
Culet sizeLong
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.61 mm4.54 mm0.91 ctJ / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG407936489
Side View
Table 67.5%Crown 28.8°Girdle: MED-STKPavilion 33.4°Culet: LNGDepth 62.8%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $3,148 USD|Low: $630 USD|High: $3,424 USD|Avg: $1,362 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 8$630 USD
Retailer 7$687 USD
Retailer 13$748 USD
Retailer 14$769 USD
Retailer 6$788 USD
Retailer 9$797 USD
Retailer 12$797 USD
Retailer 3$975 USD
Retailer 4$1,261 USD
Retailer 10$1,297 USD
Retailer 2$1,964 USD
Retailer 11$2,242 USD
MOH London$3,148 USD
Retailer 5$3,424 USD

19 data points across 14 retailers

10 retailers$630 USD to $3,148 USD

B+
Cheapest Retailer
-
$630 USD
B+
Retailer 2
-
$687 USD
View
B
Retailer 3
-
$748 USD
View
B
Retailer 4
-
$769 USD
View
Final sale: no returns
B
Retailer 5
-
$797 USD
View
Retailer 6
-
$797 USD
View
Price last confirmed 13 days ago
B
Retailer 7
-
$1,297 USD
View
C
Retailer 8
-
$1,964 USD
View
C
Retailer 9
-
$2,242 USD
View
Most Expensive
C
MOH London
LG407936489 · Oct 29
$3,148 USD
£2,479 GBP
View
9 more retailers have this diamond
Prices start from $630 USDSave up to $2,518 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+
0.91ct Emerald
$630 USD