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Round|Lab Grown|IGI

1.76ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG617445909

Shape and cutting style on the report: Round brilliant

Certificate IGI LG617445909

Diamond specifications and retailer prices

From $310 SGD
$242 USD
As of October 29, 2026
Save $1,239 SGD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,550 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.76ct lab-grown round diamond

This 1.76ct 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 LG617445909 or 617445909. Listed at 16 retailers as of October 29, 2026, with prices from $310 to $1,550, a $1,239 spread on the same certified stone. MOH London lists it at $1,550. 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

1.76
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617445909
Dimensions7.84 × 7.81 × 4.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.84 mm7.81 mm1.76 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617445909
Side View
Table 58.0%Crown 34.1°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 60.2%

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: $1,550 SGD|Low: $267 SGD|High: $1,559 SGD|Avg: $795 SGD|+16.7%
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
Retailer 16
October 29, 2026
Retailer 13$310 SGD
Retailer 11$360 SGD
Retailer 3$385 SGD
Retailer 10$385 SGD
Retailer 9$589 SGD
Retailer 6$649 SGD
Retailer 16$667 SGD
Retailer 5$716 SGD
Retailer 2$725 SGD
Retailer 4$815 SGD
Retailer 14$1,070 SGD
Retailer 15$1,236 SGD
Retailer 12$1,241 SGD
Retailer 8$1,448 SGD
Retailer 7$1,459 SGD
MOH London$1,550 SGD

39 data points across 16 retailers

16 retailers$310 SGD to $1,550 SGD

A
Cheapest Retailer
-
$310 SGD
$242 USD
A
Retailer 2
-
$360 SGD
$281 USD
View
A
Retailer 3
-
$385 SGD
$300 USD
View
A
Retailer 4
-
$385 SGD
$300 USD
View
A
Retailer 5
-
$589 SGD
€438 EUR
View
B+
Retailer 6
-
$649 SGD
$506 USD
View
B+
Retailer 7
-
$667 SGD
£410 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
$716 SGD
$559 USD
View
B+
Retailer 9
-
$725 SGD
£445 GBP
View
B+
Retailer 10
-
$815 SGD
$636 USD
View
B+
Retailer 11
-
$1,070 SGD
$835 USD
View
B+
Retailer 12
-
$1,236 SGD
$964 USD
View
B
Retailer 13
-
$1,241 SGD
$968 USD
View
B
Retailer 14
-
$1,448 SGD
$1,130 USD
View
B
Retailer 15
-
$1,459 SGD
$1,138 USD
View
Most Expensive
B
MOH London
LG617445909 · Oct 29
$1,550 SGD
£952 GBP
View
15 more retailers have this diamond
Prices start from $310 SGDSave up to $1,239 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
1.76ct Round
$310 SGD