Round|Lab Grown|IGI

1.71ct G VVS1 Round Lab Grown Diamond

EX • G/VVS1 • IGI LG780612257

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780612257

Diamond specifications and retailer prices

From $318 USD
As of October 29, 2026
Save $1,271 USD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,589 USD at MOH London · As of October 29, 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 G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG780612257 or 780612257. Listed at 14 retailers as of October 29, 2026, with prices from $318 to $1,589, a $1,271 spread on the same certified stone. MOH London lists it at $1,589. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
G
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780612257
Dimensions7.79 × 7.76 × 4.59 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
7.79 mm7.76 mm1.71 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780612257
Side View
Table 61.0%Crown 32.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.0%

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: $1,589 USD|Low: $305 USD|High: $1,599 USD|Avg: $733 USD|-0.3%
MOH London
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
Retailer 15
Retailer 16
October 29, 2026
Retailer 14$318 USD
Retailer 16$356 USD
Retailer 13$369 USD
Retailer 12$394 USD
Retailer 7$398 USD
Retailer 6$530 USD
Retailer 9$581 USD
Retailer 8$672 USD
Retailer 4$688 USD
Retailer 2$706 USD
Retailer 3$713 USD
Retailer 10$919 USD
Retailer 11$1,268 USD
Retailer 5$1,324 USD
Retailer 15$1,529 USD
MOH London$1,589 USD

29 data points across 16 retailers

14 retailers$318 USD to $1,589 USD

A
Cheapest Retailer
-
$318 USD
A
Retailer 2
-
$356 USD
View
Final sale: no returns
A
Retailer 3
-
$369 USD
View
A
Retailer 4
-
$394 USD
View
A
Retailer 5
-
$530 USD
View
A
Retailer 6
-
$581 USD
£457 GBP
View
Retailer 7
-
$672 USD
ZAR 10,850 ZAR
View
Price last confirmed 41 days ago
B+
Retailer 8
-
$688 USD
View
B+
Retailer 9
-
$706 USD
£556 GBP
View
B+
Retailer 10
-
$919 USD
A$1,414 AUD
View
B
Retailer 11
-
$1,268 USD
View
B
Retailer 12
-
$1,324 USD
View
B
Retailer 13
-
$1,529 USD
View
Most Expensive
B
MOH London
LG780612257 · Oct 29
$1,589 USD
£1,251 GBP
View
13 more retailers have this diamond
Prices start from $318 USDSave up to $1,271 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
$318 USD