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Round|Lab Grown|IGI

3.71ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG620449239

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620449239

Diamond specifications and retailer prices

From $685 USD
As of October 29, 2026
Save $5,125 USD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,810 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.71ct lab-grown round diamond

This 3.71ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620449239 or 620449239. Listed at 12 retailers as of October 29, 2026, with prices from $685 to $5,810, a $5,125 spread on the same certified stone. Do Amore Diamonds lists it at $5,810. 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

3.71
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620449239
Dimensions9.95 × 9.94 × 6.11 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.95 mm9.94 mm3.71 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620449239
Side View
Table 57.0%Crown 35.1°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 61.4%

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: $5,810 USD|Low: $745 USD|High: $5,810 USD|Avg: $2,122 USD
Do Amore Diamonds
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 29, 2026
Retailer 10$745 USD
Retailer 13$1,118 USD
Retailer 9$1,120 USD
Retailer 12$1,124 USD
Retailer 6$1,259 USD
Retailer 11$1,293 USD
Retailer 4$1,490 USD
Retailer 7$1,979 USD
Retailer 8$2,029 USD
Retailer 3$2,394 USD
Retailer 5$3,410 USD
Retailer 2$3,462 USD
Do Amore Diamonds$5,810 USD

30 data points across 13 retailers

12 retailers$685 USD to $5,810 USD

A
Cheapest Retailer
-
$685 USD
A
Retailer 2
-
$745 USD
View
A
Retailer 3
-
$1,118 USD
View
A
Retailer 4
-
$1,120 USD
View
A
Retailer 5
-
$1,124 USD
View
A
Retailer 6
-
$1,259 USD
£992 GBP
View
B+
Retailer 7
-
$1,293 USD
View
Retailer 8
-
$1,979 USD
A$3,044 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,029 USD
View
B
Retailer 10
-
$2,466 USD
View
B
Retailer 11
-
$3,462 USD
£2,726 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1612697 · Oct 29
$5,810 USD
View
11 more retailers have this diamond
Prices start from $685 USDSave up to $5,125 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
3.71ct Round
$685 USD