CaratHunter
Plans
Round|Lab Grown|GIA

0.50ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • GIA 5136751323

Certificate GIA 5136751323

Diamond specifications and retailer prices

From $658 AUD
$462 USD
As of October 31, 2026
Save $556 AUD (46%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,213 AUD at Moon Ocean · As of November 1, 2026
View at Moon Ocean

About this 0.5ct lab-grown round diamond

This 0.5ct lab-grown round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5136751323. Listed at 4 retailers as of October 31, 2026, with prices from $658 to $1,213, a $556 spread on the same certified stone. Moon Ocean lists it at $1,213. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.50
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 5136751323
Dimensions5.07 × 5.10 × 3.16 mm
L/W Ratio1.01
Top View
5.07 mm5.10 mm0.50 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5136751323
Side View
Table 54.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
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 31
Current: $1,213 AUD|Low: $658 AUD|High: $1,374 AUD|Avg: $1,080 AUD
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3$658 AUD
Retailer 4$700 AUD
Retailer 2$1,150 AUD
Retailer 5$1,167 AUD
Moon Ocean$1,213 AUD
Retailer 7$1,367 AUD
Retailer 6$1,374 AUD

2 data points across 7 retailers

4 retailers$658 AUD to $1,213 AUD

A
Cheapest Retailer
-
$658 AUD
$462 USD
Final sale: no returns
B+
Retailer 2
-
$700 AUD
₹46,827 INR
View
B
Retailer 3
-
$1,150 AUD
£636 GBP
View
Most Expensive
B
Moon Ocean
NVN-756BA8E54-323 · Nov 1
$1,213 AUD
£671 GBP
View
3 more retailers have this diamond
Prices start from $658 AUDSave up to $556 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.

A
0.50ct Round
$658 AUD