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Oval|Lab Grown|IGI

1.71ct J SI2 Oval Lab Grown Diamond

ID • J/SI2 • IGI LG445038618

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445038618

Diamond specifications and retailer prices

From $1,508 NZD
$850 USD
As of October 29, 2026
Save $6,710 NZD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,218 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.71ct lab-grown oval diamond

This 1.71ct lab-grown oval sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445038618 or 445038618. Listed at 10 retailers as of October 29, 2026, with prices from $1,508 to $8,218, a $6,710 spread on the same certified stone. MOH London lists it at $8,218. 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
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445038618
Dimensions9.08 × 6.87 × 4.37 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.08 mm6.87 mm1.71 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445038618
Side View
Table 56.0%Crown 36.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.6%

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 29
Current: $8,218 NZD|Low: $1,508 NZD|High: $8,283 NZD|Avg: $4,049 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 5$1,508 NZD
Retailer 2$2,468 NZD
Retailer 9$2,685 NZD
Retailer 10$2,763 NZD
Retailer 6$2,862 NZD
Retailer 3$2,959 NZD
Retailer 12$3,925 NZD
Retailer 7$4,521 NZD
Retailer 11$5,195 NZD
Retailer 8$5,365 NZD
Retailer 4$6,407 NZD
MOH London$8,218 NZD

16 data points across 12 retailers

10 retailers$1,508 NZD to $8,218 NZD

A
Cheapest Retailer
-
$1,508 NZD
$850 USD
B+
Retailer 2
-
$2,468 NZD
$1,391 USD
View
B+
Retailer 3
-
$2,685 NZD
$1,513 USD
View
B+
Retailer 4
-
$2,763 NZD
$1,557 USD
View
Final sale: no returns
Retailer 5
-
$2,862 NZD
$1,613 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$2,862 NZD
$1,613 USD
View
B
Retailer 7
-
$4,521 NZD
$2,548 USD
View
B
Retailer 8
-
$5,195 NZD
$2,928 USD
View
B
Retailer 9
-
$5,365 NZD
$3,024 USD
View
Most Expensive
B
MOH London
LG445038618 · Oct 29
$8,218 NZD
£3,647 GBP
View
9 more retailers have this diamond
Prices start from $1,508 NZDSave up to $6,710 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 Oval
$1,508 NZD