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Emerald|Lab Grown|IGI

1.55ct D SI1 Emerald Lab Grown Diamond

GD • D/SI1 • IGI LG497146596

Shape and cutting style on the report: Emerald cut

Certificate IGI LG497146596

Diamond specifications and retailer prices

From $374 NZD
$211 USD
As of October 30, 2026
Save $1,879 NZD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,253 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.55ct lab-grown emerald diamond

This 1.55ct 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 standard cut grade and certified by IGI LG497146596 or 497146596. Listed at 15 retailers as of October 29, 2026, with prices from $374 to $2,253, a $1,879 spread on the same certified stone. Brilliant Earth lists it at $2,253. 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

1.55
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.7°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497146596
Dimensions7.69 × 5.54 × 3.81 mm
L/W Ratio1.39
Culet sizeLong
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
7.69 mm5.54 mm1.55 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497146596
Side View
Table 67.5%Crown 27.7°Girdle: MediumPavilion 42°Culet: LNGDepth 68.8%

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 30
Current: $2,253 NZD|Low: $334 NZD|High: $2,253 NZD|Avg: $957 NZD
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 12$374 NZD
Retailer 6$405 NZD
Retailer 11$435 NZD
Retailer 10$465 NZD
Retailer 14$465 NZD
Retailer 3$639 NZD
Retailer 8$797 NZD
Retailer 2$853 NZD
Retailer 4$921 NZD
Retailer 7$1,159 NZD
Retailer 13$1,496 NZD
Retailer 5$1,590 NZD
Retailer 9$1,875 NZD
Brilliant Earth$2,253 NZD

41 data points across 14 retailers

15 retailers$374 NZD to $2,253 NZD

B+
Cheapest Retailer
-
$374 NZD
$211 USD
B+
Retailer 2
-
$405 NZD
$228 USD
View
Final sale: no returns
B+
Retailer 3
-
$435 NZD
$245 USD
View
B+
Retailer 4
-
$465 NZD
$262 USD
View
B+
Retailer 5
-
$465 NZD
$262 USD
View
B+
Retailer 6
-
$639 NZD
$360 USD
View
B+
Retailer 7
-
$797 NZD
€428 EUR
View
B+
Retailer 8
-
$853 NZD
£379 GBP
View
B+
Retailer 9
-
$921 NZD
$519 USD
View
B
Retailer 10
-
$1,159 NZD
$653 USD
View
B
Retailer 11
-
$1,496 NZD
$843 USD
View
Retailer 12
-
$1,501 NZD
$846 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$1,590 NZD
$896 USD
View
B
Retailer 14
-
$1,875 NZD
£832 GBP
View
Most Expensive
C
Brilliant Earth
8639375A · Oct 29
$2,253 NZD
$1,270 USD
View
14 more retailers have this diamond
Prices start from $374 NZDSave up to $1,879 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.

B+
1.55ct Emerald
$374 NZD