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3.85ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG724530151

Shape and cutting style on the report: Round brilliant

Certificate IGI LG724530151

Diamond specifications and retailer prices

From $857 USD
As of October 31, 2026
Save $2,773 USD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,630 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.85ct lab-grown round diamond

This 3.85ct 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 LG724530151 or 724530151. Listed at 13 retailers as of October 29, 2026, with prices from $857 to $3,630, a $2,773 spread on the same certified stone. Brilliant Earth lists it at $3,630. 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

3.85
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG724530151
Dimensions10.06 × 10.03 × 6.23 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
10.06 mm10.03 mm3.85 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG724530151
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

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: $3,630 USD|Low: $612 USD|High: $3,750 USD|Avg: $1,735 USD|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 7$857 USD
Retailer 9$888 USD
Retailer 2$1,065 USD
Retailer 8$1,293 USD
Retailer 3$1,356 USD
Retailer 6$1,435 USD
Retailer 10$1,673 USD
Retailer 5$2,112 USD
Retailer 4$3,346 USD
Brilliant Earth$3,630 USD

38 data points across 10 retailers

13 retailers$857 USD to $3,630 USD

Retailer 1
-
$735 USD
Price last confirmed 29 days ago
Retailer 2
-
$833 USD
View
Price last confirmed 25 days ago
A
Retailer 3
-
$857 USD
View
Final sale: no returns
Retailer 4
-
$888 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$1,065 USD
View
B+
Retailer 6
-
$1,293 USD
View
A
Retailer 7
-
$1,356 USD
£1,068 GBP
View
B+
Retailer 8
-
$1,435 USD
View
B+
Retailer 9
-
$1,673 USD
View
B
Retailer 10
-
$2,112 USD
View
Retailer 11
-
$2,496 USD
View
Price last confirmed 23 days ago
B
Retailer 12
-
$3,346 USD
£2,635 GBP
View
Most Expensive
B
Brilliant Earth
16758849A · Oct 29
$3,630 USD
View
12 more retailers have this diamond
Prices start from $857 USDSave up to $2,773 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
3.85ct Round
$857 USD