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Round|Lab Grown|IGI

1.72ct I VVS2 Round Lab Grown Diamond

ID • I/VVS2 • IGI LG407930527

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407930527

Diamond specifications and retailer prices

From $1,610 USD
As of October 29, 2026
Save $790 USD (33%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,663 USD at Friendly Diamonds · As of October 30, 2026
View at Friendly Diamonds

About this 1.72ct lab-grown round diamond

This 1.72ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG407930527 or 407930527. Listed at 12 retailers as of October 29, 2026, with a 49% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72
Carat
I
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407930527
Dimensions7.69 × 7.71 × 4.75 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.69 mm7.71 mm1.72 ctI / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG407930527
Side View
Table 55.0%Crown 34.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,663 USD|Low: $1,610 USD|High: $6,448 USD|Avg: $3,310 USD|-2.4%
Friendly 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
Retailer 14
October 29, 2026
Retailer 8$1,610 USD
Retailer 10$1,923 USD
Retailer 13$2,092 USD
Retailer 3$2,153 USD
Retailer 11$2,231 USD
Retailer 9$2,400 USD
Retailer 4$2,858 USD
Retailer 12$3,493 USD
Friendly Diamonds$3,663 USD
Retailer 2$4,101 USD
Retailer 14$4,181 USD
Retailer 5$4,237 USD
Retailer 6$4,993 USD
Retailer 7$6,405 USD

19 data points across 14 retailers

12 retailers$1,610 USD to $2,400 USD

B
Cheapest Retailer
-
$1,610 USD
B
Retailer 2
-
$1,923 USD
View
B
Retailer 3
-
$2,092 USD
View
B
Retailer 4
-
$2,153 USD
View
Final sale: no returns
B
Retailer 5
-
$2,231 USD
View
Retailer 6
-
$2,231 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
$2,400 USD
View
Retailer 8
-
$3,493 USD
View
Price under review
Most Expensive
Friendly Diamonds
1586355 · Oct 30
$3,663 USD
View
Price under review
8 more retailers have this diamond
Prices start from $1,610 USDSave up to $790 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.

B
1.72ct Round
$1,610 USD