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Round|Lab Grown|IGI

3.85ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG840666921

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840666921

Diamond specifications and retailer prices

From $621 USD
As of October 29, 2026
Save $2,923 USD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,544 USD at With Clarity · As of October 28, 2026
View at With Clarity

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840666921 or 840666921. Listed at 14 retailers as of October 28, 2026, with prices from $621 to $3,544, a $2,923 spread on the same certified stone. With Clarity lists it at $3,544. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.85
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840666921
Dimensions10.10 × 10.17 × 6.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.10 mm10.17 mm3.85 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840666921
Side View
Table 56.0%Crown 33.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.8%

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 29
Current: $1,172 USD|Low: $613 USD|High: $3,614 USD|Avg: $1,849 USD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
October 29, 2026
Retailer 11$621 USD
Retailer 9$695 USD
Retailer 7$900 USD
Retailer 6$991 USD
Retailer 3$1,146 USD
Retailer 1$1,172 USD
Retailer 8$1,635 USD
Retailer 10$1,910 USD
Retailer 12$2,025 USD
Retailer 2$2,320 USD
Retailer 5$3,049 USD
Retailer 4$3,059 USD
With Clarity$3,544 USD

23 data points across 13 retailers

14 retailers$621 USD to $3,544 USD

A
Cheapest Retailer
-
$621 USD
A
Retailer 2
-
$695 USD
View
A
Retailer 3
-
$900 USD
View
A
Retailer 4
-
$991 USD
£780 GBP
View
A
Retailer 5
-
$1,146 USD
View
A
Retailer 6
-
$1,172 USD
€1,116 EUR
View
B+
Retailer 7
-
$1,635 USD
A$2,516 AUD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$1,910 USD
View
B+
Retailer 9
-
$2,025 USD
View
B+
Retailer 10
-
$2,320 USD
View
B
Retailer 11
-
$2,845 USD
View
B
Retailer 12
-
$3,049 USD
£2,401 GBP
View
B
Retailer 13
-
$3,059 USD
SGD 4,134 SGD
View
Price last confirmed 16 days ago
Most Expensive
B
With Clarity
840666921 · Oct 28
$3,544 USD
View
13 more retailers have this diamond
Prices start from $621 USDSave up to $2,923 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
$621 USD