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Oval|Lab Grown|IGI

1.56ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG681578702

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG681578702

Diamond specifications and retailer prices

From $513 NZD
$289 USD
As of October 29, 2026
Save $4,704 NZD (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,216 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG681578702 or 681578702. Listed at 25 retailers as of October 29, 2026, with prices from $513 to $5,216, a $4,704 spread on the same certified stone. Brilliant Earth lists it at $5,216. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681578702
Dimensions9.19 × 6.55 × 4.14 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
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
9.19 mm6.55 mm1.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681578702
Side View
Table 60.0%Crown 37°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
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: Oct 29
Current: $5,216 NZD|Low: $491 NZD|High: $8,836 NZD|Avg: $1,909 NZD|-41.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
October 31, 2026
Retailer 3$513 NZD
Retailer 13$571 NZD
Retailer 24$594 NZD
Retailer 5$635 NZD
Retailer 14$749 NZD
Retailer 7$901 NZD
Retailer 22$905 NZD
Retailer 23$1,043 NZD
Retailer 21$1,091 NZD
Retailer 11$1,100 NZD
Retailer 18$1,123 NZD
Retailer 12$1,425 NZD
Retailer 20$1,477 NZD
Retailer 8$1,890 NZD
Retailer 6$1,952 NZD
Retailer 4$2,042 NZD
Retailer 15$2,128 NZD
Retailer 16$2,145 NZD
Retailer 10$2,443 NZD
Retailer 19$2,560 NZD
Retailer 9$2,620 NZD
Retailer 17$2,805 NZD
Retailer 2$3,413 NZD
Brilliant Earth$5,216 NZD

32 data points across 24 retailers

25 retailers$513 NZD to $5,216 NZD

A
Cheapest Retailer
-
$513 NZD
$289 USD
A
Retailer 2
-
$571 NZD
$322 USD
View
Final sale: no returns
A
Retailer 3
-
$594 NZD
$335 USD
View
A
Retailer 4
-
$635 NZD
$358 USD
View
A
Retailer 5
-
$749 NZD
HK$3,300 HKD
View
A
Retailer 6
-
$901 NZD
$508 USD
View
A
Retailer 7
-
$905 NZD
$510 USD
View
A
Retailer 8
-
$1,043 NZD
€560 EUR
View
A
Retailer 9
-
$1,091 NZD
ZAR 9,936 ZAR
View
A
Retailer 10
-
$1,100 NZD
$620 USD
View
A
Retailer 11
-
$1,123 NZD
£498 GBP
View
A
Retailer 12
-
$1,425 NZD
$803 USD
View
A
Retailer 13
-
$1,477 NZD
A$1,281 AUD
View
B+
Retailer 14
-
$1,890 NZD
$1,065 USD
View
B+
Retailer 15
-
$1,952 NZD
$1,100 USD
View
B+
Retailer 16
-
$2,042 NZD
$1,151 USD
View
B+
Retailer 17
-
$2,128 NZD
$1,200 USD
View
B+
Retailer 18
-
$2,145 NZD
SGD 1,634 SGD
View
B+
Retailer 19
-
$2,443 NZD
$1,377 USD
View
B+
Retailer 20
-
$2,560 NZD
£1,136 GBP
View
B+
Retailer 21
-
$2,620 NZD
$1,477 USD
View
B+
Retailer 22
-
$2,805 NZD
$1,581 USD
View
B+
Retailer 23
-
$3,413 NZD
A$2,959 AUD
View
Retailer 24
-
$4,312 NZD
$2,430 USD
View
Price last confirmed 33 days ago
Most Expensive
B
Brilliant Earth
13772889A · Oct 30
$5,216 NZD
$2,940 USD
View
24 more retailers have this diamond
Prices start from $513 NZDSave up to $4,704 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
$513 NZD