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Round|Lab Grown|IGI

4.71ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG571309412

Shape and cutting style on the report: Round brilliant

Certificate IGI LG571309412

Diamond specifications and retailer prices

From $691 USD
As of October 29, 2026
Save $2,759 USD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,450 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.71ct lab-grown round diamond

This 4.71ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG571309412 or 571309412. Listed at 16 retailers as of October 29, 2026, with prices from $691 to $3,450, a $2,759 spread on the same certified stone. Brilliant Earth lists it at $3,450. 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

4.71
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571309412
Dimensions10.72 × 10.68 × 6.64 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
10.72 mm10.68 mm4.71 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571309412
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 40.6°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 29
Current: $3,450 USD|Low: $438 USD|High: $6,130 USD|Avg: $1,847 USD|-43.7%
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
October 31, 2026
Retailer 5$669 USD
Retailer 11$691 USD
Retailer 2$895 USD
Retailer 7$1,053 USD
Retailer 4$1,171 USD
Retailer 12$1,175 USD
Retailer 8$1,522 USD
Retailer 13$1,616 USD
Retailer 9$1,897 USD
Retailer 10$2,455 USD
Retailer 3$2,471 USD
Retailer 6$3,338 USD
Brilliant Earth$3,450 USD

31 data points across 13 retailers

16 retailers$691 USD to $3,450 USD

Retailer 1
-
$540 USD
Price last confirmed 37 days ago
Retailer 2
-
$605 USD
View
Price last confirmed 37 days ago
Retailer 3
-
$661 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$691 USD
View
Final sale: no returns
A
Retailer 5
-
$895 USD
View
A
Retailer 6
-
$1,053 USD
€1,003 EUR
View
B+
Retailer 7
-
$1,171 USD
View
A
Retailer 8
-
$1,175 USD
View
B+
Retailer 9
-
$1,522 USD
ZAR 24,595 ZAR
View
B+
Retailer 10
-
$1,616 USD
View
Retailer 11
-
$1,761 USD
View
Price last confirmed 34 days ago
B+
Retailer 12
-
$1,897 USD
View
Retailer 13
-
$2,455 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$2,471 USD
View
B
Retailer 15
-
$3,338 USD
£2,628 GBP
View
Most Expensive
B
Brilliant Earth
7624185A · Oct 30
$3,450 USD
View
15 more retailers have this diamond
Prices start from $691 USDSave up to $2,759 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
4.71ct Round
$691 USD