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Round|Lab Grown|IGI

1.71ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG464198225

Shape and cutting style on the report: Round brilliant

Certificate IGI LG464198225

Diamond specifications and retailer prices

From $593 NZD
$334 USD
As of November 1, 2026
Save $4,677 NZD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,270 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG464198225 or 464198225. Listed at 17 retailers as of October 31, 2026, with prices from $593 to $5,270, a $4,677 spread on the same certified stone. Do Amore Diamonds lists it at $5,270. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG464198225
Dimensions7.65 × 7.70 × 4.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa.
Top View
7.65 mm7.70 mm1.71 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG464198225
Side View
Table 57.5%Crown 35.4°Girdle: MediumPavilion 41°Culet: NoneDepth 61.9%

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: $5,270 NZD|Low: $593 NZD|High: $5,270 NZD|Avg: $1,816 NZD
Do Amore 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
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 16$593 NZD
Retailer 14$688 NZD
Retailer 4$735 NZD
Retailer 13$735 NZD
Retailer 11$781 NZD
Retailer 12$869 NZD
Retailer 17$884 NZD
Retailer 15$1,338 NZD
Retailer 10$1,373 NZD
Retailer 8$1,375 NZD
Retailer 9$1,525 NZD
Retailer 5$2,156 NZD
Retailer 7$2,402 NZD
Retailer 3$2,608 NZD
Retailer 6$2,885 NZD
Retailer 2$3,170 NZD
Do Amore Diamonds$5,270 NZD

15 data points across 17 retailers

17 retailers$593 NZD to $5,270 NZD

A
Cheapest Retailer
-
$593 NZD
$334 USD
A
Retailer 2
-
$688 NZD
$388 USD
View
A
Retailer 3
-
$735 NZD
$414 USD
View
Retailer 4
-
$735 NZD
$414 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$781 NZD
$440 USD
View
A
Retailer 6
-
$869 NZD
$490 USD
View
A
Retailer 7
-
$884 NZD
$498 USD
View
A
Retailer 8
-
$1,338 NZD
$754 USD
View
A
Retailer 9
-
$1,373 NZD
£609 GBP
View
A
Retailer 10
-
$1,375 NZD
$775 USD
View
A
Retailer 11
-
$1,525 NZD
$860 USD
View
A
Retailer 12
-
$2,156 NZD
$1,215 USD
View
A
Retailer 13
-
$2,402 NZD
$1,354 USD
View
A
Retailer 14
-
$2,608 NZD
$1,470 USD
View
B+
Retailer 15
-
$2,885 NZD
$1,626 USD
View
B+
Retailer 16
-
$3,170 NZD
£1,407 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C32A20587 · Oct 31
$5,270 NZD
$2,970 USD
View
16 more retailers have this diamond
Prices start from $593 NZDSave up to $4,677 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
$593 NZD