Round|Lab Grown|IGI

3.95ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG784669687

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784669687

Diamond specifications and retailer prices

From $434 USD
As of October 29, 2026
Save $1,547 USD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,430 USD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 3.95ct lab-grown round diamond

This 3.95ct 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 LG784669687 or 784669687. Listed at 11 retailers as of October 26, 2026, with a 356% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.95
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784669687
Dimensions10.30 × 10.34 × 6.05 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
10.30 mm10.34 mm3.95 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784669687
Side View
Table 62.0%Crown 32.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 58.6%

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: $2,430 USD|Low: $430 USD|High: $2,468 USD|Avg: $1,419 USD|-1.5%
Rare Carat
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 29, 2026
Retailer 3$434 USD
Retailer 11$486 USD
Retailer 9$723 USD
Retailer 2$846 USD
Retailer 12$950 USD
Retailer 4$963 USD
Retailer 10$1,511 USD
Retailer 8$1,515 USD
Retailer 13$1,731 USD
Retailer 6$1,946 USD
Retailer 7$1,981 USD
Retailer 5$1,989 USD
Retailer 14$2,146 USD
Rare Carat$2,430 USD

30 data points across 14 retailers

11 retailers$434 USD to $1,981 USD

A
Cheapest Retailer
-
$434 USD
A
Retailer 2
-
$486 USD
View
Retailer 3
-
$723 USD
£569 GBP
View
Price last confirmed 15 days ago
A
Retailer 4
-
$846 USD
€806 EUR
View
A
Retailer 5
-
$950 USD
View
B+
Retailer 6
-
$1,511 USD
View
B+
Retailer 7
-
$1,515 USD
View
B+
Retailer 8
-
$1,731 USD
View
B+
Retailer 9
-
$1,981 USD
£1,560 GBP
View
Retailer 10
-
$2,146 USD
SGD 2,900 SGD
View
Price last confirmed 19 days ago
Most Expensive
Rare Carat
LGRD30-40296 · Oct 18
$2,430 USD
View
Price last confirmed 14 days ago
10 more retailers have this diamond
Prices start from $434 USDSave up to $1,547 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
3.95ct Round
$434 USD