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Round|Lab Grown|IGI

1.67ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG649488436

Shape and cutting style on the report: Round brilliant

Certificate IGI LG649488436

Diamond specifications and retailer prices

From $255 SGD
$199 USD
As of October 29, 2026
Save $2,193 SGD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,448 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG649488436 or 649488436. Listed at 11 retailers as of October 29, 2026, with prices from $255 to $2,448, a $2,193 spread on the same certified stone. Do Amore Diamonds lists it at $2,448. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649488436
Dimensions7.55 × 7.50 × 4.72 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
7.55 mm7.50 mm1.67 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649488436
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
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: $2,448 SGD|Low: $247 SGD|High: $2,538 SGD|Avg: $937 SGD|-3.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 10$255 SGD
Retailer 3$288 SGD
Retailer 8$296 SGD
Retailer 7$549 SGD
Retailer 4$606 SGD
Retailer 9$973 SGD
Retailer 5$1,020 SGD
Retailer 6$1,121 SGD
Retailer 11$1,218 SGD
Retailer 2$1,406 SGD
Do Amore Diamonds$2,448 SGD

39 data points across 11 retailers

11 retailers$255 SGD to $2,448 SGD

A
Cheapest Retailer
-
$255 SGD
$199 USD
A
Retailer 2
-
$288 SGD
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$296 SGD
$231 USD
View
B+
Retailer 4
-
$549 SGD
$428 USD
View
A
Retailer 5
-
$606 SGD
£372 GBP
View
B+
Retailer 6
-
$973 SGD
$759 USD
View
B+
Retailer 7
-
$1,020 SGD
$796 USD
View
B+
Retailer 8
-
$1,121 SGD
$875 USD
View
B
Retailer 9
-
$1,218 SGD
$950 USD
View
B
Retailer 10
-
$1,406 SGD
£864 GBP
View
Most Expensive
B
Do Amore Diamonds
27-44C3CC3A7 · Oct 29
$2,448 SGD
$1,910 USD
View
10 more retailers have this diamond
Prices start from $255 SGDSave up to $2,193 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
$255 SGD