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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 $481 USD
As of October 29, 2026
Save $1,721 USD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,202 USD 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 $481 to $2,202, a $1,721 spread on the same certified stone. MOH London lists it at $2,202. 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

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: Oct 29
Current: $2,202 USD|Low: $462 USD|High: $2,217 USD|Avg: $1,084 USD|-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
Retailer 14
October 31, 2026
Retailer 10$481 USD
Retailer 5$538 USD
Retailer 13$539 USD
Retailer 9$596 USD
Retailer 14$596 USD
Retailer 8$735 USD
Retailer 7$799 USD
Retailer 6$911 USD
Retailer 4$931 USD
Retailer 2$979 USD
Retailer 12$1,603 USD
Retailer 11$1,917 USD
Retailer 3$2,090 USD
MOH London$2,202 USD

38 data points across 14 retailers

16 retailers$481 USD to $2,202 USD

A
Cheapest Retailer
-
$481 USD
A
Retailer 2
-
$538 USD
View
Final sale: no returns
A
Retailer 3
-
$539 USD
View
A
Retailer 4
-
$596 USD
View
Retailer 5
-
$596 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$735 USD
View
A
Retailer 7
-
$799 USD
£629 GBP
View
A
Retailer 8
-
$911 USD
View
B+
Retailer 9
-
$931 USD
View
A
Retailer 10
-
$979 USD
£771 GBP
View
B+
Retailer 11
-
$1,354 USD
View
B
Retailer 12
-
$1,603 USD
View
B
Retailer 13
-
$1,917 USD
View
B
Retailer 14
-
$1,945 USD
View
B
Retailer 15
-
$2,090 USD
View
Most Expensive
B
MOH London
LG678582640 · Oct 29
$2,202 USD
£1,734 GBP
View
15 more retailers have this diamond
Prices start from $481 USDSave up to $1,721 USD

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
$481 USD