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Round|Lab Grown|IGI

1.75ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG786680988

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786680988

Diamond specifications and retailer prices

From $272 SGD
$213 USD
As of November 1, 2026
Save $1,365 SGD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,637 SGD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.75ct lab-grown round diamond

This 1.75ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG786680988 or 786680988. Listed at 13 retailers as of November 1, 2026, with prices from $272 to $1,637, a $1,365 spread on the same certified stone. Brilliant Earth lists it at $1,637. 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

1.75
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786680988
Dimensions7.77 × 7.73 × 4.75 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
7.77 mm7.73 mm1.75 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786680988
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.3%

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: Nov 1
Current: $1,637 SGD|Low: $261 SGD|High: $1,816 SGD|Avg: $746 SGD|-9.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 6$272 SGD
Retailer 12$316 SGD
Retailer 7$338 SGD
Retailer 5$341 SGD
Retailer 3$567 SGD
Retailer 13$579 SGD
Retailer 2$623 SGD
Retailer 11$675 SGD
Retailer 10$701 SGD
Retailer 8$1,086 SGD
Retailer 9$1,090 SGD
Retailer 4$1,377 SGD
Brilliant Earth$1,637 SGD

43 data points across 13 retailers

13 retailers$272 SGD to $1,637 SGD

A
Cheapest Retailer
-
$272 SGD
$213 USD
A
Retailer 2
-
$316 SGD
$247 USD
View
A
Retailer 3
-
$338 SGD
$264 USD
View
Retailer 4
-
$341 SGD
$267 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$567 SGD
€422 EUR
View
B+
Retailer 6
-
$579 SGD
$453 USD
View
A
Retailer 7
-
$623 SGD
£384 GBP
View
A
Retailer 8
-
$675 SGD
$528 USD
View
A
Retailer 9
-
$701 SGD
$548 USD
View
B+
Retailer 10
-
$1,086 SGD
$849 USD
View
B+
Retailer 11
-
$1,090 SGD
$852 USD
View
B
Retailer 12
-
$1,377 SGD
£848 GBP
View
Most Expensive
B
Brilliant Earth
19039781A · Nov 1
$1,637 SGD
$1,280 USD
View
12 more retailers have this diamond
Prices start from $272 SGDSave up to $1,365 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
1.75ct Round
$272 SGD