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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 $564 NZD
$318 USD
As of November 1, 2026
Save $2,255 NZD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,819 NZD 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 13 retailers as of October 29, 2026, with prices from $564 to $2,819, a $2,255 spread on the same certified stone. MOH London lists it at $2,819. 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
Colour
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

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: Nov 1
Current: $2,819 NZD|Low: $541 NZD|High: $2,837 NZD|Avg: $1,317 NZD|-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
November 1, 2026
Retailer 15$564 NZD
Retailer 3$632 NZD
Retailer 14$655 NZD
Retailer 13$699 NZD
Retailer 7$706 NZD
Retailer 10$940 NZD
Retailer 2$1,024 NZD
Retailer 8$1,192 NZD
Retailer 5$1,221 NZD
Retailer 9$1,257 NZD
Retailer 4$1,265 NZD
Retailer 11$1,631 NZD
Retailer 12$2,250 NZD
Retailer 6$2,349 NZD
Retailer 16$2,713 NZD
MOH London$2,819 NZD

29 data points across 16 retailers

13 retailers$564 NZD to $2,819 NZD

A
Cheapest Retailer
-
$564 NZD
$318 USD
A
Retailer 2
-
$632 NZD
$356 USD
View
Final sale: no returns
A
Retailer 3
-
$655 NZD
$369 USD
View
A
Retailer 4
-
$699 NZD
$394 USD
View
A
Retailer 5
-
$940 NZD
$530 USD
View
A
Retailer 6
-
$1,024 NZD
£454 GBP
View
B+
Retailer 7
-
$1,221 NZD
$688 USD
View
B+
Retailer 8
-
$1,257 NZD
£558 GBP
View
B+
Retailer 9
-
$1,631 NZD
A$1,414 AUD
View
B
Retailer 10
-
$2,250 NZD
$1,268 USD
View
B
Retailer 11
-
$2,349 NZD
$1,324 USD
View
B
Retailer 12
-
$2,713 NZD
$1,529 USD
View
Most Expensive
B
MOH London
LG780612257 · Oct 29
$2,819 NZD
£1,251 GBP
View
12 more retailers have this diamond
Prices start from $564 NZDSave up to $2,255 NZD

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
$564 NZD