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Marquise|Lab Grown|GIA

1.67ct D IF Marquise Lab Grown Diamond

ID • D/IF • GIA 1518765462

Certificate GIA 1518765462

Diamond specifications and retailer prices

From $1,995 NZD
$1,120 USD
As of October 27, 2026
Save $6,574 NZD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,569 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.67ct lab-grown marquise diamond

This 1.67ct lab-grown marquise 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 stated by the retailer rather than the lab and certified by GIA 1518765462. Listed at 11 retailers as of October 27, 2026, with prices from $1,995 to $8,569, a $6,574 spread on the same certified stone. Brilliant Earth lists it at $8,569. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
D
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1518765462
Dimensions12.61 × 6.34 × 3.79 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This is a man-made diamond.
Key to symbols
Minor Details of Polish
Top View
12.61 mm6.34 mm1.67 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1518765462
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.8%

Caratlytics Score

How it works →
A+
Exceptional
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 27
Current: $8,569 NZD|Low: $1,920 NZD|High: $8,836 NZD|Avg: $4,767 NZD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 4$1,995 NZD
Retailer 6$2,172 NZD
Retailer 8$2,314 NZD
Retailer 2$4,697 NZD
Retailer 7$4,789 NZD
Retailer 5$6,435 NZD
Retailer 9$6,907 NZD
Retailer 3$8,254 NZD
Brilliant Earth$8,569 NZD

14 data points across 9 retailers

11 retailers$1,995 NZD to $8,569 NZD

A+
Cheapest Retailer
-
$1,995 NZD
$1,120 USD
A+
Retailer 2
-
$2,172 NZD
$1,219 USD
View
A
Retailer 3
-
$2,234 NZD
$1,254 USD
View
Final sale: no returns
A
Retailer 4
-
$2,314 NZD
$1,299 USD
View
B+
Retailer 5
-
$4,697 NZD
ZAR 42,591 ZAR
View
B+
Retailer 6
-
$4,789 NZD
$2,688 USD
View
B+
Retailer 7
-
$6,163 NZD
£2,724 GBP
View
B+
Retailer 8
-
$6,435 NZD
$3,612 USD
View
B
Retailer 9
-
$6,907 NZD
$3,877 USD
View
B+
Retailer 10
-
$8,254 NZD
£3,648 GBP
View
Most Expensive
B
Brilliant Earth
13624762Y · Oct 28
$8,569 NZD
$4,810 USD
View
10 more retailers have this diamond
Prices start from $1,995 NZDSave up to $6,574 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+
1.67ct Marquise
$1,995 NZD