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Round|Lab Grown|IGI

3.53ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG678582640

Shape and cutting style on the report: Round brilliant

Certificate IGI LG678582640

Diamond specifications and retailer prices

From €431 EUR
$481 USD
As of October 29, 2026
Save €1,541 EUR (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,971 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 3.53ct lab-grown round diamond

This 3.53ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678582640 or 678582640. Listed at 16 retailers as of October 29, 2026, with prices from €431 to €1,971, a €1,541 spread on the same certified stone. MOH London lists it at €1,971. 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

3.53
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678582640
Dimensions9.83 × 9.80 × 5.98 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.83 mm9.80 mm3.53 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678582640
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.0%

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: €1,971 EUR|Low: €414 EUR|High: €1,985 EUR|Avg: €984 EUR|-0.5%
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
November 1, 2026
Retailer 9€431 EUR
Retailer 5€482 EUR
Retailer 12€482 EUR
Retailer 8€533 EUR
Retailer 13€533 EUR
Retailer 7€658 EUR
Retailer 6€715 EUR
Retailer 4€833 EUR
Retailer 2€884 EUR
Retailer 11€1,435 EUR
Retailer 10€1,716 EUR
Retailer 3€1,871 EUR
MOH London€1,971 EUR

38 data points across 13 retailers

16 retailers€431 EUR to €1,971 EUR

A
Cheapest Retailer
-
€431 EUR
$481 USD
A
Retailer 2
-
€482 EUR
$538 USD
View
Final sale: no returns
A
Retailer 3
-
€482 EUR
$539 USD
View
A
Retailer 4
-
€533 EUR
$596 USD
View
Retailer 5
-
€533 EUR
$596 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€658 EUR
$735 USD
View
A
Retailer 7
-
€715 EUR
£629 GBP
View
A
Retailer 8
-
€815 EUR
$911 USD
View
B+
Retailer 9
-
€833 EUR
$931 USD
View
A
Retailer 10
-
€884 EUR
£778 GBP
View
B+
Retailer 11
-
€1,212 EUR
$1,354 USD
View
B
Retailer 12
-
€1,435 EUR
$1,603 USD
View
B
Retailer 13
-
€1,716 EUR
$1,917 USD
View
B
Retailer 14
-
€1,741 EUR
$1,945 USD
View
B
Retailer 15
-
€1,871 EUR
$2,090 USD
View
Most Expensive
B
MOH London
LG678582640 · Oct 29
€1,971 EUR
£1,734 GBP
View
15 more retailers have this diamond
Prices start from €431 EURSave up to €1,541 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
3.53ct Round
€431 EUR