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1.71ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG442066098

Shape and cutting style on the report: Round brilliant

Certificate IGI LG442066098

Diamond specifications and retailer prices

From $1,686 NZD
$950 USD
As of October 31, 2026
Save $7,436 NZD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,122 NZD at MOH London · As of November 1, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG442066098 or 442066098. Listed at 12 retailers as of October 31, 2026, with prices from $1,686 to $9,122, a $7,436 spread on the same certified stone. MOH London lists it at $9,122. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442066098
Dimensions7.63 × 7.60 × 4.79 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.63 mm7.60 mm1.71 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442066098
Side View
Table 56.0%Crown 35.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.9%

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: Oct 31
Current: $9,122 NZD|Low: $1,686 NZD|High: $9,243 NZD|Avg: $4,294 NZD
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
November 1, 2026
Retailer 7$1,686 NZD
Retailer 9$2,754 NZD
Retailer 13$2,995 NZD
Retailer 12$3,084 NZD
Retailer 3$3,194 NZD
Retailer 10$3,194 NZD
Retailer 4$3,495 NZD
Retailer 6$3,581 NZD
Retailer 5$4,319 NZD
Retailer 11$5,027 NZD
Retailer 8$5,648 NZD
Retailer 2$5,777 NZD
Retailer 14$5,986 NZD
MOH London$9,122 NZD

40 data points across 14 retailers

12 retailers$1,686 NZD to $9,122 NZD

A
Cheapest Retailer
-
$1,686 NZD
$950 USD
B+
Retailer 2
-
$2,754 NZD
$1,552 USD
View
B+
Retailer 3
-
$2,995 NZD
$1,688 USD
View
B+
Retailer 4
-
$3,084 NZD
$1,738 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,194 NZD
$1,800 USD
View
Retailer 6
-
$3,194 NZD
$1,800 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
$3,495 NZD
$1,970 USD
View
B
Retailer 8
-
$5,027 NZD
$2,833 USD
View
B
Retailer 9
-
$5,648 NZD
$3,183 USD
View
B
Retailer 10
-
$5,777 NZD
£2,564 GBP
View
B
Retailer 11
-
$5,986 NZD
$3,374 USD
View
Most Expensive
B
MOH London
LG442066098 · Nov 1
$9,122 NZD
£4,048 GBP
View
11 more retailers have this diamond
Prices start from $1,686 NZDSave up to $7,436 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
$1,686 NZD