CaratHunter
Plans
Round|Lab Grown|IGI

1.71ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG440011203

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440011203

Diamond specifications and retailer prices

From $1,739 NZD
$980 USD
As of November 1, 2026
Save $7,383 NZD (81%) vs most expensive(unlock to see where)
11 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 LG440011203 or 440011203. Listed at 11 retailers as of November 1, 2026, with prices from $1,739 to $9,122, a $7,383 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440011203
Dimensions7.63 × 7.66 × 4.77 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
7.63 mm7.66 mm1.71 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440011203
Side View
Table 54.0%Crown 35.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.4%

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: $9,122 NZD|Low: $1,739 NZD|High: $9,243 NZD|Avg: $4,515 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2$1,739 NZD
Retailer 5$2,754 NZD
Retailer 8$3,084 NZD
Retailer 6$3,194 NZD
Retailer 4$3,495 NZD
Retailer 9$4,319 NZD
Retailer 7$5,027 NZD
Retailer 3$5,648 NZD
MOH London$9,122 NZD

18 data points across 9 retailers

11 retailers$1,739 NZD to $9,122 NZD

A
Cheapest Retailer
-
$1,739 NZD
$980 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
Retailer 5
-
$3,194 NZD
$1,800 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$3,194 NZD
$1,800 USD
View
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
-
$5,986 NZD
$3,374 USD
View
Most Expensive
B
MOH London
LG440011203 · Nov 1
$9,122 NZD
£4,048 GBP
View
10 more retailers have this diamond
Prices start from $1,739 NZDSave up to $7,383 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
$1,739 NZD