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Princess|Lab Grown|IGI

1.71ct G SI1 Princess Lab Grown Diamond

ID • G/SI1 • IGI LG499123056

Shape and cutting style on the report: Princess cut

Certificate IGI LG499123056

Diamond specifications and retailer prices

From $667 NZD
$376 USD
As of November 1, 2026
Save $4,620 NZD (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,287 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.71ct lab-grown princess diamond

This 1.71ct lab-grown princess sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499123056 or 499123056. Listed at 9 retailers as of October 31, 2026, with prices from $667 to $5,287, a $4,620 spread on the same certified stone. Do Amore Diamonds lists it at $5,287. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.71
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499123056
Dimensions6.62 × 6.58 × 4.57 mm
L/W Ratio1.01
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
6.62 mm6.58 mm1.71 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499123056
Side View
Table 67.0%Crown 40.3°Girdle: MediumPavilion 38.3°Culet: NoneDepth 69.5%

Caratlytics Score

How it works →
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: Nov 1
Current: $5,287 NZD|Low: $477 NZD|High: $5,287 NZD|Avg: $1,914 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 26, 2026
Retailer 4$667 NZD
Retailer 9$736 NZD
Retailer 5$919 NZD
Retailer 3$1,194 NZD
Retailer 7$1,437 NZD
Retailer 8$1,512 NZD
Retailer 6$2,003 NZD
Retailer 10$2,204 NZD
Retailer 2$3,191 NZD
Do Amore Diamonds$5,287 NZD

10 data points across 10 retailers

9 retailers$667 NZD to $5,287 NZD

Retailer 1
-
$596 NZD
$336 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$667 NZD
$376 USD
View
Final sale: no returns
Retailer 3
-
$692 NZD
$390 USD
View
Price last confirmed 19 days ago
Retailer 4
-
$738 NZD
$416 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$919 NZD
$518 USD
View
B+
Retailer 6
-
$1,194 NZD
$673 USD
View
Retailer 7
-
$2,622 NZD
$1,478 USD
View
Price last confirmed 32 days ago
B
Retailer 8
-
$3,191 NZD
£1,416 GBP
View
Most Expensive
B
Do Amore Diamonds
27-2F80CE9C6 · Oct 31
$5,287 NZD
$2,980 USD
View
8 more retailers have this diamond
Prices start from $667 NZDSave up to $4,620 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 Princess
$667 NZD