Marquise|Lab Grown

0.30ct H SI1 Marquise Lab Grown Diamond

FR • H/SI1 • TA50D-190-564

Diamond specifications and retailer prices

From $175 SGD
$137 USD
As of November 2, 2026
Save $522 SGD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $697 SGD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 0.3ct lab-grown marquise diamond

This 0.3ct lab-grown marquise sits in the sub-half-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade. Listed at 4 retailers as of October 31, 2026, with prices from $175 to $697, a $522 spread on the same certified stone. NZ Jewellers lists it at $697. 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

0.30
Carat
H
Colour
SI1
Clarity
Fair
Cut

Specifications

CutFair
PolishExcellent
SymmetryGood
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateTA50D-190-564
Dimensions7.01 × 3.63 × 2.00 mm
L/W Ratio1.93
Top View
7.01 mm3.63 mm0.30 ctH / SI1
OriginLab Grown
CutFair
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateTA50D-190-564
Side View
Table 62.1%CrownGirdlePavilionCuletDepth 55.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $697 SGD|Low: $168 SGD|High: $697 SGD|Avg: $304 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2$175 SGD
Retailer 4$203 SGD
Retailer 3$217 SGD
NZ Jewellers$697 SGD

6 data points across 4 retailers

4 retailers$175 SGD to $697 SGD

B
Cheapest Retailer
-
$175 SGD
$137 USD
B
Retailer 2
-
$203 SGD
$159 USD
View
B
Retailer 3
-
$217 SGD
$170 USD
View
Most Expensive
D
NZ Jewellers
2a124bca-fd48-4557-a1c0-c0ac28b3ea77 · Oct 31
$697 SGD
$545 USD
View
3 more retailers have this diamond
Prices start from $175 SGDSave up to $522 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.

B
0.30ct Marquise
$175 SGD