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Round|Lab Grown|IGI

1.74ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG407939040

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407939040

Diamond specifications and retailer prices

From $1,756 SGD
$1,370 USD
As of October 28, 2026
Save $4,985 SGD (74%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,741 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.74ct lab-grown round diamond

This 1.74ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407939040 or 407939040. Listed at 11 retailers as of October 28, 2026, with prices from $1,756 to $6,741, a $4,985 spread on the same certified stone. MOH London lists it at $6,741. 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

1.74
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407939040
Dimensions7.62 × 7.66 × 4.80 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.62 mm7.66 mm1.74 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG407939040
Side View
Table 56.5%Crown 36.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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 28
Current: $6,741 SGD|Low: $1,617 SGD|High: $6,785 SGD|Avg: $3,488 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 5$1,756 SGD
Retailer 4$2,024 SGD
Retailer 8$2,265 SGD
Retailer 6$2,348 SGD
Retailer 9$2,348 SGD
Retailer 10$2,564 SGD
Retailer 11$3,169 SGD
Retailer 7$3,695 SGD
Retailer 2$4,151 SGD
Retailer 3$6,720 SGD
MOH London$6,741 SGD

14 data points across 11 retailers

11 retailers$1,756 SGD to $6,741 SGD

A
Cheapest Retailer
-
$1,756 SGD
$1,370 USD
B+
Retailer 2
-
$2,024 SGD
$1,579 USD
View
B+
Retailer 3
-
$2,201 SGD
$1,717 USD
View
B+
Retailer 4
-
$2,265 SGD
$1,767 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,348 SGD
$1,831 USD
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$2,348 SGD
$1,831 USD
View
B+
Retailer 7
-
$2,564 SGD
$2,000 USD
View
B
Retailer 8
-
$3,695 SGD
$2,882 USD
View
B
Retailer 9
-
$4,151 SGD
$3,238 USD
View
B
Retailer 10
-
$4,400 SGD
$3,432 USD
View
Most Expensive
B
MOH London
LG407939040 · Oct 29
$6,741 SGD
£4,140 GBP
View
10 more retailers have this diamond
Prices start from $1,756 SGDSave up to $4,985 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
1.74ct Round
$1,756 SGD