Marquise|Lab Grown

1.03ct D SI2 Marquise Lab Grown Diamond

D/SI2

Diamond specifications and retailer prices

From $106 USD
As of October 30, 2026
Save $316 USD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $422 USD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included). Listed at 4 retailers as of October 28, 2026, with prices from $106 to $422, a $316 spread on the same certified stone. NZ Jewellers lists it at $422. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.03
Carat
D
Color
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
Dimensions9.88 × 4.94 × 3.44 mm
L/W Ratio2.00
Top View
9.88 mm4.94 mm1.03 ctD / SI2
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
Side View
Table 56.0%CrownGirdlePavilionCuletDepth 69.7%

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 30
Current: $422 USD|Low: $59 USD|High: $422 USD|Avg: $156 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 5$59 USD
Retailer 2$106 USD
Retailer 4$123 USD
Retailer 3$140 USD
NZ Jewellers$422 USD

6 data points across 5 retailers

4 retailers$106 USD to $422 USD

B+
Cheapest Retailer
-
$106 USD
B
Retailer 2
-
$123 USD
View
B
Retailer 3
-
$140 USD
View
Most Expensive
C
NZ Jewellers
ff0758b5-4f80-4e63-be3a-1bb50e66e68a · Oct 28
$422 USD
View
3 more retailers have this diamond
Prices start from $106 USDSave up to $316 USD

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+
1.03ct Marquise
$106 USD