CaratHunter
Plans
Oval|Lab Grown|IGI

1.56ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG643452183

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG643452183

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)
27 retailers carry this diamond
Most expensive: $5,216 NZD at Brilliant Earth · As of October 31, 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 LG643452183 or 643452183. Listed at 27 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 angle34.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643452183
Dimensions9.47 × 6.66 × 4.11 mm
L/W Ratio1.42
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
9.47 mm6.66 mm1.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643452183
Side View
Table 58.0%Crown 34.5°Girdle: THN-MEDPavilion 41.4°Culet: NoneDepth 61.7%

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: $5,216 NZD|Low: $491 NZD|High: $8,836 NZD|Avg: $1,985 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
October 31, 2026
Retailer 3$513 NZD
Retailer 2$571 NZD
Retailer 26$594 NZD
Retailer 5$635 NZD
Retailer 15$749 NZD
Retailer 7$901 NZD
Retailer 24$905 NZD
Retailer 25$1,043 NZD
Retailer 23$1,091 NZD
Retailer 11$1,100 NZD
Retailer 20$1,123 NZD
Retailer 12$1,243 NZD
Retailer 14$1,425 NZD
Retailer 22$1,477 NZD
Retailer 8$1,890 NZD
Retailer 6$1,952 NZD
Retailer 4$2,042 NZD
Retailer 16$2,128 NZD
Retailer 17$2,145 NZD
Retailer 10$2,443 NZD
Retailer 21$2,560 NZD
Retailer 9$2,620 NZD
Retailer 18$2,805 NZD
Retailer 13$3,413 NZD
Retailer 19$4,312 NZD
Brilliant Earth$5,216 NZD

34 data points across 26 retailers

27 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
-
$1,243 NZD
A$1,078 AUD
View
A
Retailer 13
-
$1,425 NZD
$803 USD
View
A
Retailer 14
-
$1,477 NZD
A$1,281 AUD
View
B+
Retailer 15
-
$1,890 NZD
$1,065 USD
View
B+
Retailer 16
-
$1,952 NZD
$1,100 USD
View
B+
Retailer 17
-
$2,042 NZD
$1,151 USD
View
B+
Retailer 18
-
$2,128 NZD
$1,200 USD
View
B+
Retailer 19
-
$2,145 NZD
SGD 1,634 SGD
View
B+
Retailer 20
-
$2,443 NZD
$1,377 USD
View
B+
Retailer 21
-
$2,560 NZD
£1,136 GBP
View
B+
Retailer 22
-
$2,620 NZD
$1,477 USD
View
B+
Retailer 23
-
$2,805 NZD
$1,581 USD
View
B+
Retailer 24
-
$3,413 NZD
A$2,959 AUD
View
Retailer 25
-
$4,312 NZD
$2,430 USD
View
Price last confirmed 33 days ago
Retailer 26
-
$4,325 NZD
$2,438 USD
View
Price last confirmed 111 days ago
Most Expensive
B
Brilliant Earth
11464909A · Oct 31
$5,216 NZD
$2,940 USD
View
26 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