CaratHunter
Plans
Round|Lab Grown|IGI

1.80ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG638427518

Shape and cutting style on the report: Round brilliant

Certificate IGI LG638427518

Diamond specifications and retailer prices

From €246 EUR
$276 USD
As of October 31, 2026
Save €1,653 EUR (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,899 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.8ct lab-grown round diamond

This 1.8ct 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 LG638427518 or 638427518. Listed at 11 retailers as of October 31, 2026, with prices from €246 to €1,899, a €1,653 spread on the same certified stone. Do Amore Diamonds lists it at €1,899. 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

1.80
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638427518
Dimensions7.86 × 7.80 × 4.78 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
7.86 mm7.80 mm1.80 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638427518
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €1,899 EUR|Low: €243 EUR|High: €1,899 EUR|Avg: €734 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7€246 EUR
Retailer 8€420 EUR
Retailer 9€482 EUR
Retailer 2€498 EUR
Retailer 3€510 EUR
Retailer 6€793 EUR
Retailer 5€794 EUR
Retailer 10€872 EUR
Retailer 4€1,087 EUR
Do Amore Diamonds€1,899 EUR

44 data points across 10 retailers

11 retailers€246 EUR to €1,899 EUR

A
Cheapest Retailer
-
€246 EUR
$276 USD
A
Retailer 2
-
€402 EUR
$451 USD
View
B+
Retailer 3
-
€420 EUR
$471 USD
View
A
Retailer 4
-
€482 EUR
$541 USD
View
A
Retailer 5
-
€498 EUR
£440 GBP
View
A
Retailer 6
-
€510 EUR
£450 GBP
View
B
Retailer 7
-
€793 EUR
$889 USD
View
B+
Retailer 8
-
€794 EUR
$890 USD
View
B
Retailer 9
-
€872 EUR
$978 USD
View
B
Retailer 10
-
€1,087 EUR
£960 GBP
View
Most Expensive
B
Do Amore Diamonds
27-B5EA51ED6 · Nov 2
€1,899 EUR
$2,130 USD
View
10 more retailers have this diamond
Prices start from €246 EURSave up to €1,653 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
1.80ct Round
€246 EUR