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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 $1,432 SGD
$1,120 USD
As of October 30, 2026
Save $4,717 SGD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,149 SGD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $1,432 to $6,149, a $4,717 spread on the same certified stone. Brilliant Earth lists it at $6,149. 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 30
Current: $6,149 SGD|Low: $1,148 SGD|High: $10,970 SGD|Avg: $4,087 SGD|-3.0%
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
October 29, 2026
Retailer 4$1,187 SGD
Retailer 7$1,432 SGD
Retailer 9$1,558 SGD
Retailer 13$1,603 SGD
Retailer 11$1,661 SGD
Retailer 2$3,370 SGD
Retailer 10$3,436 SGD
Retailer 12$4,423 SGD
Retailer 8$4,618 SGD
Retailer 3$4,956 SGD
Retailer 6$5,923 SGD
Brilliant Earth$6,149 SGD
Retailer 5$10,970 SGD

25 data points across 13 retailers

11 retailers$1,432 SGD to $6,149 SGD

A+
Cheapest Retailer
-
$1,432 SGD
$1,120 USD
A+
Retailer 2
-
$1,558 SGD
$1,219 USD
View
A
Retailer 3
-
$1,603 SGD
$1,254 USD
View
Final sale: no returns
A
Retailer 4
-
$1,661 SGD
$1,299 USD
View
B+
Retailer 5
-
$3,370 SGD
ZAR 42,591 ZAR
View
B+
Retailer 6
-
$3,436 SGD
$2,688 USD
View
B+
Retailer 7
-
$4,423 SGD
£2,724 GBP
View
B+
Retailer 8
-
$4,618 SGD
$3,612 USD
View
B
Retailer 9
-
$4,956 SGD
$3,877 USD
View
B
Retailer 10
-
$5,923 SGD
£3,648 GBP
View
Most Expensive
B
Brilliant Earth
13624762Y · Oct 30
$6,149 SGD
$4,810 USD
View
10 more retailers have this diamond
Prices start from $1,432 SGDSave up to $4,717 SGD

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
$1,432 SGD