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Oval|Lab Grown|IGI

1.56ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG743509313

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG743509313

Diamond specifications and retailer prices

From $550 NZD
$310 USD
As of November 1, 2026
Save $4,205 NZD (88%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $4,755 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 LG743509313 or 743509313. Listed at 31 retailers as of October 31, 2026, with prices from $550 to $4,755, a $4,205 spread on the same certified stone. Brilliant Earth lists it at $4,755. 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 angle36.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743509313
Dimensions9.45 × 6.52 × 4.09 mm
L/W Ratio1.45
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
9.45 mm6.52 mm1.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743509313
Side View
Table 59.0%Crown 36.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.7%

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: Nov 1
Current: $4,755 NZD|Low: $520 NZD|High: $5,997 NZD|Avg: $1,995 NZD|-20.7%
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
November 1, 2026
Retailer 20$550 NZD
Retailer 22$843 NZD
Retailer 11$863 NZD
Retailer 3$901 NZD
Retailer 19$1,043 NZD
Retailer 8$1,045 NZD
Retailer 18$1,091 NZD
Retailer 2$1,114 NZD
Retailer 9$1,278 NZD
Retailer 10$1,425 NZD
Retailer 4$1,471 NZD
Retailer 17$1,477 NZD
Retailer 21$1,767 NZD
Retailer 6$2,264 NZD
Retailer 12$2,336 NZD
Retailer 5$2,462 NZD
Retailer 14$2,506 NZD
Retailer 16$2,560 NZD
Retailer 13$3,413 NZD
Retailer 7$4,116 NZD
Retailer 15$4,294 NZD
Brilliant Earth$4,755 NZD

41 data points across 22 retailers

31 retailers$550 NZD to $4,755 NZD

Retailer 1
-
$493 NZD
$278 USD
Price last confirmed 33 days ago
Retailer 2
-
$538 NZD
$303 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$550 NZD
$310 USD
View
Final sale: no returns
Retailer 4
-
$573 NZD
$323 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$575 NZD
$324 USD
View
Retailer 6
-
$575 NZD
$324 USD
View
Price last confirmed 22 days ago
Retailer 7
-
$575 NZD
$324 USD
View
Price last confirmed 30 days ago
Retailer 8
-
$603 NZD
$340 USD
View
Price last confirmed 33 days ago
A
Retailer 9
-
$843 NZD
$475 USD
View
A
Retailer 10
-
$863 NZD
HK$3,800 HKD
View
A
Retailer 11
-
$901 NZD
$508 USD
View
A
Retailer 12
-
$1,043 NZD
€560 EUR
View
A
Retailer 13
-
$1,045 NZD
$589 USD
View
A
Retailer 14
-
$1,091 NZD
ZAR 9,936 ZAR
View
A
Retailer 15
-
$1,114 NZD
£494 GBP
View
A
Retailer 16
-
$1,278 NZD
A$1,108 AUD
View
A
Retailer 17
-
$1,425 NZD
$803 USD
View
A
Retailer 18
-
$1,471 NZD
$829 USD
View
A
Retailer 19
-
$1,477 NZD
A$1,281 AUD
View
B+
Retailer 20
-
$1,767 NZD
$996 USD
View
Retailer 21
-
$2,042 NZD
$1,151 USD
View
Price last confirmed 22 days ago
Retailer 22
-
$2,172 NZD
$1,224 USD
View
Price last confirmed 32 days ago
B+
Retailer 23
-
$2,264 NZD
$1,276 USD
View
B+
Retailer 24
-
$2,336 NZD
$1,316 USD
View
B+
Retailer 25
-
$2,462 NZD
$1,387 USD
View
B+
Retailer 26
-
$2,506 NZD
SGD 1,909 SGD
View
B+
Retailer 27
-
$2,560 NZD
£1,136 GBP
View
B
Retailer 28
-
$3,413 NZD
A$2,959 AUD
View
B
Retailer 29
-
$4,116 NZD
$2,320 USD
View
Retailer 30
-
$4,294 NZD
$2,420 USD
View
Price last confirmed 34 days ago
Most Expensive
B
Brilliant Earth
17199240Y · Oct 31
$4,755 NZD
$2,680 USD
View
30 more retailers have this diamond
Prices start from $550 NZDSave up to $4,205 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
$550 NZD