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Marquise|Lab Grown|GIA

1.77ct D IF Marquise Lab Grown Diamond

ID • D/IF • GIA 2534680589

Certificate GIA 2534680589

Diamond specifications and retailer prices

From $6,116 AUD
$4,286 USD
As of October 31, 2026
Save $1,176 AUD (16%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $7,291 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.77ct lab-grown marquise diamond

This 1.77ct 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 2534680589. Listed at 2 retailers as of October 31, 2026, with prices from $6,116 to $7,291, a $1,176 spread on the same certified stone. Brilliant Earth lists it at $7,291. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
D
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 2534680589
Dimensions12.03 × 6.51 × 3.97 mm
L/W Ratio1.85
Girdle conditionFaceted
Cert comments
This is a man-made diamond.
Key to symbols
Minor Details of Polish
Top View
12.03 mm6.51 mm1.77 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2534680589
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $7,291 AUD|Low: $5,839 AUD|High: $7,520 AUD|Avg: $6,698 AUD|-3.0%
Brilliant Earth
Retailer 2
October 29, 2026
Retailer 2$6,116 AUD
Brilliant Earth$7,291 AUD

4 data points across 2 retailers

2 retailers$6,116 AUD to $7,291 AUD

B+
Cheapest Retailer
-
$6,116 AUD
$4,286 USD
Most Expensive
B
Brilliant Earth
16255292Y · Nov 2
$7,291 AUD
$5,110 USD
View
1 more retailer has this diamond
Prices start from $6,116 AUDSave up to $1,176 AUD

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.

B+
1.77ct Marquise
$6,116 AUD