Round|Lab Grown|IGI

1.71ct I VVS2 Round Lab Grown Diamond

EX • I/VVS2 • IGI LG455008797

Shape and cutting style on the report: Round brilliant

Certificate IGI LG455008797

Diamond specifications and retailer prices

From $516 USD
As of October 31, 2026
Save $1,314 USD (72%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,102 USD at MOH London · As of October 18, 2026
View at MOH London

About this 1.71ct lab-grown round diamond

This 1.71ct 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 LG455008797 or 455008797. Listed at 9 retailers as of October 31, 2026, with a 255% 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

1.71
Carat
I
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG455008797
Dimensions7.62 × 7.65 × 4.78 mm
L/W Ratio1.00
Girdle conditionFaceted
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
7.62 mm7.65 mm1.71 ctI / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG455008797
Side View
Table 57.5%Crown 35.5°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.6%

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 31
Current: $2,102 USD|Low: $516 USD|High: $3,690 USD|Avg: $1,301 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 2$516 USD
Retailer 3$575 USD
Retailer 8$660 USD
Retailer 9$876 USD
Retailer 11$925 USD
Retailer 4$961 USD
Retailer 7$1,447 USD
Retailer 10$1,614 USD
Retailer 5$1,830 USD
Retailer 12$1,978 USD
MOH London$2,102 USD
Retailer 6$3,690 USD

5 data points across 12 retailers

9 retailers$516 USD to $1,830 USD

A
Cheapest Retailer
-
$516 USD
Retailer 2
-
$575 USD
View
Price last confirmed 13 days ago
Retailer 3
-
$876 USD
£690 GBP
View
Price last confirmed 13 days ago
Retailer 4
-
$925 USD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
$961 USD
View
Retailer 6
-
$1,447 USD
View
Price last confirmed 12 days ago
B
Retailer 7
-
$1,830 USD
View
Retailer 8
-
$1,978 USD
View
Price last confirmed 12 days ago
Most Expensive
MOH London
LG455008797 · Oct 18
$2,102 USD
£1,655 GBP
View
Price last confirmed 13 days ago
8 more retailers have this diamond
Prices start from $516 USDSave up to $1,314 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
1.71ct Round
$516 USD