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Oval|Lab Grown|IGI

1.56ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG636421534

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG636421534

Diamond specifications and retailer prices

From $538 NZD
$303 USD
As of October 29, 2026
Save $4,235 NZD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,773 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.56ct lab-grown oval diamond

This 1.56ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG636421534 or 636421534. Listed at 12 retailers as of October 29, 2026, with prices from $538 to $4,773, a $4,235 spread on the same certified stone. Do Amore Diamonds lists it at $4,773. 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

1.56
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636421534
Dimensions9.66 × 6.46 × 3.92 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.66 mm6.46 mm1.56 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636421534
Side View
Table 60.0%Crown 32.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.7%

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: $1,317 NZD|Low: $428 NZD|High: $4,773 NZD|Avg: $1,096 NZD|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 5$538 NZD
Retailer 11$601 NZD
Retailer 9$623 NZD
Retailer 2$665 NZD
Retailer 6$665 NZD
Retailer 3$745 NZD
Retailer 4$940 NZD
Retailer 10$1,262 NZD
Retailer 1$1,317 NZD
Retailer 7$2,070 NZD
Retailer 8$2,363 NZD

43 data points across 11 retailers

12 retailers$538 NZD to $4,773 NZD

A
Cheapest Retailer
-
$538 NZD
$303 USD
A
Retailer 2
-
$601 NZD
$339 USD
View
Final sale: no returns
A
Retailer 3
-
$623 NZD
$351 USD
View
A
Retailer 4
-
$665 NZD
$375 USD
View
A
Retailer 5
-
$665 NZD
$375 USD
View
A
Retailer 6
-
$745 NZD
$420 USD
View
B+
Retailer 7
-
$940 NZD
$530 USD
View
B+
Retailer 8
-
$1,262 NZD
$711 USD
View
B+
Retailer 9
-
$1,317 NZD
£584 GBP
View
B
Retailer 10
-
$2,070 NZD
$1,167 USD
View
B
Retailer 11
-
$2,363 NZD
$1,332 USD
View
Most Expensive
B
Do Amore Diamonds
27-F1060B723 · Oct 29
$4,773 NZD
$2,690 USD
View
11 more retailers have this diamond
Prices start from $538 NZDSave up to $4,235 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
1.56ct Oval
$538 NZD