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Round|Lab Grown|IGI

3.52ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG717599780

Shape and cutting style on the report: Round brilliant

Certificate IGI LG717599780

Diamond specifications and retailer prices

From $405 USD
As of October 29, 2026
Save $2,795 USD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,200 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.52ct lab-grown round diamond

This 3.52ct 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 LG717599780 or 717599780. Listed at 20 retailers as of October 29, 2026, with prices from $405 to $3,200, a $2,795 spread on the same certified stone. Brilliant Earth lists it at $3,200. 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

3.52
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717599780
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.37 mm7.13 mm3.52 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717599780
Side View
Table 56.0%Crown 33.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.3%

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: $3,200 USD|Low: $400 USD|High: $3,210 USD|Avg: $1,202 USD|-0.3%
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
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 3$405 USD
Retailer 6$454 USD
Retailer 7$502 USD
Retailer 14$502 USD
Retailer 8$606 USD
Retailer 12$610 USD
Retailer 2$816 USD
Retailer 9$879 USD
Retailer 5$900 USD
Retailer 10$1,253 USD
Retailer 16$1,321 USD
Retailer 15$1,409 USD
Retailer 4$1,615 USD
Retailer 13$1,974 USD
Retailer 11$2,795 USD
Brilliant Earth$3,200 USD

43 data points across 16 retailers

20 retailers$405 USD to $3,200 USD

A
Cheapest Retailer
-
$405 USD
A
Retailer 2
-
$454 USD
View
Final sale: no returns
Retailer 3
-
$458 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$502 USD
View
A
Retailer 5
-
$502 USD
View
Retailer 6
-
$512 USD
View
Price last confirmed 38 days ago
Retailer 7
-
$560 USD
View
Price last confirmed 34 days ago
B+
Retailer 8
-
$606 USD
View
A
Retailer 9
-
$610 USD
View
A
Retailer 10
-
$816 USD
£643 GBP
View
A
Retailer 11
-
$879 USD
€837 EUR
View
A
Retailer 12
-
$900 USD
View
B+
Retailer 13
-
$1,253 USD
A$1,928 AUD
View
B+
Retailer 14
-
$1,321 USD
View
B+
Retailer 15
-
$1,409 USD
View
B+
Retailer 16
-
$1,615 USD
View
Retailer 17
-
$1,824 USD
View
Price last confirmed 35 days ago
Retailer 18
-
$1,974 USD
£1,554 GBP
View
Price last confirmed 12 days ago
B
Retailer 19
-
$2,795 USD
View
Most Expensive
B
Brilliant Earth
22350243A · Oct 31
$3,200 USD
View
19 more retailers have this diamond
Prices start from $405 USDSave up to $2,795 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
3.52ct Round
$405 USD