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Round|Lab Grown|IGI

1.20ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG494167338

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494167338

Diamond specifications and retailer prices

From $272 SGD
$213 USD
As of October 29, 2026
Save $2,336 SGD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,608 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG494167338 or 494167338. Listed at 17 retailers as of October 29, 2026, with prices from $272 to $2,608, a $2,336 spread on the same certified stone. Do Amore Diamonds lists it at $2,608. 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

1.20
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494167338
Dimensions6.78 × 6.81 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.78 mm6.81 mm1.20 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494167338
Side View
Table 57.5%Crown 36°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.1%

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: $2,608 SGD|Low: $271 SGD|High: $2,608 SGD|Avg: $909 SGD
Do Amore Diamonds
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
Retailer 16
October 30, 2026
Retailer 14$272 SGD
Retailer 12$316 SGD
Retailer 3$337 SGD
Retailer 11$337 SGD
Retailer 2$396 SGD
Retailer 9$457 SGD
Retailer 15$634 SGD
Retailer 7$668 SGD
Retailer 13$743 SGD
Retailer 8$870 SGD
Retailer 5$1,087 SGD
Retailer 6$1,166 SGD
Retailer 4$1,195 SGD
Retailer 16$1,415 SGD
Retailer 10$1,499 SGD
Do Amore Diamonds$2,608 SGD

14 data points across 16 retailers

17 retailers$272 SGD to $2,608 SGD

A
Cheapest Retailer
-
$272 SGD
$213 USD
A
Retailer 2
-
$316 SGD
$247 USD
View
A
Retailer 3
-
$337 SGD
$264 USD
View
A
Retailer 4
-
$337 SGD
$264 USD
View
B+
Retailer 5
-
$396 SGD
$310 USD
View
A
Retailer 6
-
$457 SGD
£281 GBP
View
A
Retailer 7
-
$634 SGD
$496 USD
View
A
Retailer 8
-
$652 SGD
$510 USD
View
A
Retailer 9
-
$668 SGD
$523 USD
View
A
Retailer 10
-
$743 SGD
$581 USD
View
A
Retailer 11
-
$870 SGD
$680 USD
View
A
Retailer 12
-
$1,087 SGD
$850 USD
View
A
Retailer 13
-
$1,166 SGD
$912 USD
View
A
Retailer 14
-
$1,195 SGD
$935 USD
View
B+
Retailer 15
-
$1,415 SGD
$1,107 USD
View
A
Retailer 16
-
$1,499 SGD
£923 GBP
View
Most Expensive
B
Do Amore Diamonds
27-AE0814E47 · Oct 31
$2,608 SGD
$2,040 USD
View
16 more retailers have this diamond
Prices start from $272 SGDSave up to $2,336 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
1.20ct Round
$272 SGD