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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 €191 EUR
$213 USD
As of November 1, 2026
Save €955 EUR (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,146 EUR 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 €191 to €1,146, a €955 spread on the same certified stone. Brilliant Earth lists it at €1,146. 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
Color
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: €1,146 EUR|Low: €183 EUR|High: €1,271 EUR|Avg: €522 EUR|-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€191 EUR
Retailer 12€221 EUR
Retailer 7€236 EUR
Retailer 5€239 EUR
Retailer 3€397 EUR
Retailer 13€405 EUR
Retailer 2€436 EUR
Retailer 11€473 EUR
Retailer 10€491 EUR
Retailer 8€760 EUR
Retailer 9€763 EUR
Retailer 4€964 EUR
Brilliant Earth€1,146 EUR

43 data points across 13 retailers

13 retailers€191 EUR to €1,146 EUR

A
Cheapest Retailer
-
€191 EUR
$213 USD
A
Retailer 2
-
€221 EUR
$247 USD
View
A
Retailer 3
-
€236 EUR
$264 USD
View
Retailer 4
-
€239 EUR
$267 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€397 EUR
View
B+
Retailer 6
-
€405 EUR
$453 USD
View
A
Retailer 7
-
€436 EUR
£384 GBP
View
A
Retailer 8
-
€473 EUR
$528 USD
View
A
Retailer 9
-
€491 EUR
$548 USD
View
B+
Retailer 10
-
€760 EUR
$849 USD
View
B+
Retailer 11
-
€763 EUR
$852 USD
View
B
Retailer 12
-
€964 EUR
£848 GBP
View
Most Expensive
B
Brilliant Earth
19039781A · Nov 1
€1,146 EUR
$1,280 USD
View
12 more retailers have this diamond
Prices start from €191 EURSave up to €955 EUR

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
€191 EUR