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Round|Lab Grown|IGI

1.70ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG573380065

Shape and cutting style on the report: Round brilliant

Certificate IGI LG573380065

Diamond specifications and retailer prices

From €165 EUR
$185 USD
As of November 1, 2026
Save €790 EUR (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €955 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.7ct lab-grown round diamond

This 1.7ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG573380065 or 573380065. Listed at 13 retailers as of November 1, 2026, with prices from €165 to €955, a €790 spread on the same certified stone. MOH London lists it at €955. 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

1.70
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG573380065
Dimensions7.68 × 7.63 × 4.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.68 mm7.63 mm1.70 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG573380065
Side View
Table 56.5%Crown 35.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.1%

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: Nov 1
Current: €955 EUR|Low: €158 EUR|High: €966 EUR|Avg: €404 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 7€165 EUR
Retailer 10€191 EUR
Retailer 3€204 EUR
Retailer 8€204 EUR
Retailer 6€360 EUR
Retailer 4€363 EUR
Retailer 2€368 EUR
Retailer 9€441 EUR
Retailer 11€656 EUR
Retailer 5€693 EUR
MOH London€955 EUR

42 data points across 11 retailers

13 retailers€165 EUR to €955 EUR

A
Cheapest Retailer
-
€165 EUR
$185 USD
A
Retailer 2
-
€191 EUR
$214 USD
View
Retailer 3
-
€204 EUR
$229 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
€204 EUR
$229 USD
View
B+
Retailer 5
-
€360 EUR
$404 USD
View
A
Retailer 6
-
€363 EUR
£321 GBP
View
A
Retailer 7
-
€368 EUR
£325 GBP
View
A
Retailer 8
-
€441 EUR
$495 USD
View
B+
Retailer 9
-
€490 EUR
$550 USD
View
B+
Retailer 10
-
€656 EUR
$736 USD
View
B
Retailer 11
-
€693 EUR
$777 USD
View
B+
Retailer 12
-
€704 EUR
$790 USD
View
Most Expensive
B
MOH London
LG573380065 · Nov 2
€955 EUR
£843 GBP
View
12 more retailers have this diamond
Prices start from €165 EURSave up to €790 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
1.70ct Round
€165 EUR