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Round|Lab Grown|IGI

1.67ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG669420558

Shape and cutting style on the report: Round brilliant

Certificate IGI LG669420558

Diamond specifications and retailer prices

From $252 SGD
$197 USD
As of October 29, 2026
Save $1,219 SGD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,471 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.67ct lab-grown round diamond

This 1.67ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG669420558 or 669420558. Listed at 14 retailers as of October 29, 2026, with prices from $252 to $1,471, a $1,219 spread on the same certified stone. MOH London lists it at $1,471. 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

1.67
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669420558
Dimensions7.62 × 7.54 × 4.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.62 mm7.54 mm1.67 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669420558
Side View
Table 56.0%Crown 33.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,471 SGD|Low: $236 SGD|High: $1,471 SGD|Avg: $690 SGD
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
Retailer 15
October 29, 2026
Retailer 7$236 SGD
Retailer 15$252 SGD
Retailer 13$292 SGD
Retailer 12$313 SGD
Retailer 9$525 SGD
Retailer 8$543 SGD
Retailer 14$546 SGD
Retailer 2$571 SGD
Retailer 11$638 SGD
Retailer 3$651 SGD
Retailer 5$800 SGD
Retailer 4$942 SGD
Retailer 10$1,006 SGD
Retailer 6$1,230 SGD
MOH London$1,471 SGD

16 data points across 15 retailers

14 retailers$252 SGD to $1,471 SGD

A
Cheapest Retailer
-
$252 SGD
$197 USD
A
Retailer 2
-
$292 SGD
$228 USD
View
A
Retailer 3
-
$313 SGD
$244 USD
View
A
Retailer 4
-
$525 SGD
€390 EUR
View
A
Retailer 5
-
$543 SGD
£334 GBP
View
B+
Retailer 6
-
$546 SGD
$426 USD
View
A
Retailer 7
-
$571 SGD
£351 GBP
View
A
Retailer 8
-
$638 SGD
$498 USD
View
A
Retailer 9
-
$651 SGD
$508 USD
View
B+
Retailer 10
-
$800 SGD
$624 USD
View
B+
Retailer 11
-
$942 SGD
$735 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$1,006 SGD
$785 USD
View
B
Retailer 13
-
$1,230 SGD
$960 USD
View
Most Expensive
B
MOH London
LG669420558 · Oct 29
$1,471 SGD
£904 GBP
View
13 more retailers have this diamond
Prices start from $252 SGDSave up to $1,219 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
1.67ct Round
$252 SGD