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Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG825687968

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825687968

Diamond specifications and retailer prices

From $493 NZD
As of November 4, 2026
Save $2,069 NZD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,089 NZD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825687968 or 825687968. Listed at 23 retailers as of November 4, 2026, with a 420% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825687968
Dimensions11.19 × 5.42 × 3.48 mm
L/W Ratio2.06
Girdle conditionFaceted
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
11.19 mm5.42 mm1.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825687968
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 64.2%

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 4
Current: $1,066 NZD|Low: $473 NZD|High: $3,013 NZD|Avg: $1,448 NZD|-10.9%
Retailer 1
Retailer 2
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Retailer 22
November 5, 2026
Retailer 4$493 NZD
Retailer 13$550 NZD
Retailer 3$573 NZD
Retailer 9$612 NZD
Retailer 15$612 NZD
Retailer 20$683 NZD
Retailer 18$840 NZD
Retailer 19$889 NZD
Retailer 21$1,003 NZD
Retailer 17$1,055 NZD
Retailer 1$1,066 NZD
Retailer 11$1,364 NZD
Retailer 16$1,500 NZD
Retailer 2$1,880 NZD
Retailer 7$1,964 NZD
Retailer 8$1,967 NZD
Retailer 10$2,056 NZD
Retailer 6$2,168 NZD
Retailer 12$2,444 NZD
Retailer 14$2,562 NZD
Retailer 22$2,606 NZD
Retailer 5$3,001 NZD

42 data points across 22 retailers

23 retailers$493 NZD to $2,562 NZD

A
Cheapest Retailer
-
$493 NZD
A
Retailer 2
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$550 NZD
View
Final sale: no returns
A
Retailer 3
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$573 NZD
View
Retailer 4
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$612 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
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$612 NZD
View
A
Retailer 6
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$683 NZD
View
A
Retailer 7
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$840 NZD
View
A
Retailer 8
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$889 NZD
View
Retailer 9
-
$1,003 NZD
View
Price last confirmed 11 days ago
A
Retailer 10
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$1,055 NZD
View
A
Retailer 11
-
$1,066 NZD
View
B+
Retailer 12
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$1,364 NZD
View
B+
Retailer 13
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$1,500 NZD
View
B+
Retailer 14
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$1,880 NZD
View
B+
Retailer 15
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$1,964 NZD
View
B+
Retailer 16
-
$1,967 NZD
View
B+
Retailer 17
-
$2,056 NZD
View
B+
Retailer 18
-
$2,168 NZD
View
B+
Retailer 19
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$2,444 NZD
View
B
Retailer 20
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$2,562 NZD
View
Retailer 21
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$2,606 NZD
View
Price last confirmed 8 days ago
Retailer 22
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$3,001 NZD
View
Price last confirmed 28 days ago
Most Expensive
Queensmith
LG825687968 · Oct 27
$4,089 NZD
£1,810 GBP
View
Price last confirmed 9 days ago
22 more retailers have this diamond
Prices start from $493 NZDSave up to $2,069 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
1.20ct Marquise
$493 NZD