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Oval|Lab Grown|IGI

1.16ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG825633470

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG825633470

Diamond specifications and retailer prices

From $455 NZD
As of November 4, 2026
Save $467 NZD (51%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,578 NZD at MOH London · As of October 26, 2026
View at MOH London

About this 1.16ct lab-grown oval diamond

This 1.16ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG825633470 or 825633470. Listed at 6 retailers as of November 4, 2026, with a 103% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.16
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825633470
Dimensions8.31 × 6.14 × 3.71 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.31 mm6.14 mm1.16 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825633470
Side View
Table 61.0%Crown 32.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.4%

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 4
Current: $1,578 NZD|Low: $455 NZD|High: $1,595 NZD|Avg: $883 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 4, 2026
Retailer 6$455 NZD
Retailer 2$579 NZD
Retailer 5$725 NZD
Retailer 4$922 NZD
Retailer 3$1,055 NZD
MOH London$1,578 NZD

40 data points across 6 retailers

6 retailers$455 NZD to $922 NZD

B+
Cheapest Retailer
-
$455 NZD
A
Retailer 2
-
$579 NZD
View
A
Retailer 3
-
$725 NZD
View
B+
Retailer 4
-
$922 NZD
View
Retailer 5
-
$1,055 NZD
View
Price last confirmed 16 days ago
Most Expensive
MOH London
LG825633470 · Oct 26
$1,578 NZD
£689 GBP
View
Price last confirmed 11 days ago
5 more retailers have this diamond
Prices start from $455 NZDSave up to $467 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
1.16ct Oval
$455 NZD