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Oval|Lab Grown|IGI

1.56ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG696578945

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG696578945

Diamond specifications and retailer prices

From $351 NZD
$198 USD
As of November 1, 2026
Save $1,056 NZD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,407 NZD at Friendly Diamonds · As of October 31, 2026
View at Friendly 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG696578945 or 696578945. Listed at 11 retailers as of October 31, 2026, with prices from $351 to $1,407, a $1,056 spread on the same certified stone. Friendly Diamonds lists it at $1,407. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696578945
Dimensions9.83 × 6.53 × 3.96 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.83 mm6.53 mm1.56 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696578945
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,407 NZD|Low: $351 NZD|High: $2,715 NZD|Avg: $1,098 NZD
Friendly Diamonds
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
Retailer 15
November 1, 2026
Retailer 10$351 NZD
Retailer 4$408 NZD
Retailer 11$436 NZD
Retailer 8$485 NZD
Retailer 14$500 NZD
Retailer 15$759 NZD
Retailer 9$798 NZD
Retailer 5$861 NZD
Retailer 12$896 NZD
Retailer 13$921 NZD
Retailer 3$1,402 NZD
Friendly Diamonds$1,407 NZD
Retailer 2$1,650 NZD
Retailer 6$1,981 NZD
Retailer 7$2,715 NZD

6 data points across 15 retailers

11 retailers$351 NZD to $1,407 NZD

A
Cheapest Retailer
-
$351 NZD
$198 USD
A
Retailer 2
-
$408 NZD
$230 USD
View
A
Retailer 3
-
$436 NZD
$246 USD
View
A
Retailer 4
-
$485 NZD
£215 GBP
View
A
Retailer 5
-
$500 NZD
HK$2,200 HKD
View
B+
Retailer 6
-
$759 NZD
$428 USD
View
A
Retailer 7
-
$798 NZD
£354 GBP
View
A
Retailer 8
-
$896 NZD
$505 USD
View
A
Retailer 9
-
$921 NZD
$519 USD
View
B
Retailer 10
-
$1,402 NZD
$790 USD
View
Most Expensive
B+
Friendly Diamonds
6554904 · Oct 31
$1,407 NZD
$793 USD
View
10 more retailers have this diamond
Prices start from $351 NZDSave up to $1,056 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
$351 NZD