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Emerald|Lab Grown|IGI

0.66ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG805671998

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG805671998

Diamond specifications and retailer prices

From $213 SGD
HK$1,300 HKD
As of November 1, 2026
Save $324 SGD (60%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $537 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 0.66ct lab-grown emerald diamond

This 0.66ct lab-grown emerald sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805671998 or 805671998. Listed at 6 retailers as of October 31, 2026, with prices from $213 to $537, a $324 spread on the same certified stone. Brilliant Earth lists it at $537. 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

0.66
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805671998
Dimensions4.75 × 4.74 × 3.21 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.75 mm4.74 mm0.66 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805671998
Side View
Table 71.0%Crown 39.8°Girdle: MediumPavilion 39.5°Culet: NoneDepth 67.7%

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: Nov 1
Current: $537 SGD|Low: $213 SGD|High: $652 SGD|Avg: $389 SGD|-17.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 6$213 SGD
Retailer 4$245 SGD
Retailer 3$322 SGD
Retailer 2$427 SGD
Retailer 5$508 SGD
Brilliant Earth$537 SGD

15 data points across 6 retailers

6 retailers$213 SGD to $537 SGD

A
Cheapest Retailer
-
$213 SGD
HK$1,300 HKD
Retailer 2
-
$245 SGD
$192 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$322 SGD
€240 EUR
View
B+
Retailer 4
-
$427 SGD
$334 USD
View
B
Retailer 5
-
$508 SGD
View
Most Expensive
B+
Brilliant Earth
20782842A · Oct 31
$537 SGD
$420 USD
View
5 more retailers have this diamond
Prices start from $213 SGDSave up to $324 SGD

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
0.66ct Emerald
$213 SGD